diff --git a/lib/roles/app.js b/lib/roles/app.js
index 1d652eed..0db1c246 100644
--- a/lib/roles/app.js
+++ b/lib/roles/app.js
@@ -347,6 +347,24 @@ module.exports = function(options) {
           ])
         })
         // Transactions
+        .on('clipboard.paste', function(channel, responseChannel, data) {
+          joinChannel(responseChannel)
+          push.send([
+            channel
+          , wireutil.envelope(new wire.PasteMessage(
+              data.text
+            ))
+          ])
+        })
+        .on('clipboard.copy', function(channel, responseChannel, data) {
+          joinChannel(responseChannel)
+          push.send([
+            channel
+          , wireutil.envelope(new wire.CopyMessage(
+              data.text
+            ))
+          ])
+        })
         .on('device.identify', function(channel, responseChannel) {
           push.send([
             channel
diff --git a/lib/roles/device.js b/lib/roles/device.js
index 3ad21d08..f3eb1ee1 100644
--- a/lib/roles/device.js
+++ b/lib/roles/device.js
@@ -18,6 +18,7 @@ module.exports = function(options) {
         .dependency(require('./device/plugins/display'))
         .dependency(require('./device/plugins/http'))
         .dependency(require('./device/plugins/input'))
+        .dependency(require('./device/plugins/clipboard'))
         .dependency(require('./device/plugins/logcat'))
         .dependency(require('./device/plugins/shell'))
         .dependency(require('./device/plugins/touch'))
diff --git a/lib/roles/device/plugins/clipboard.js b/lib/roles/device/plugins/clipboard.js
new file mode 100644
index 00000000..0e493c29
--- /dev/null
+++ b/lib/roles/device/plugins/clipboard.js
@@ -0,0 +1,70 @@
+var syrup = require('syrup')
+
+var logger = require('../../../util/logger')
+var wire = require('../../../wire')
+var wireutil = require('../../../wire/util')
+
+module.exports = syrup.serial()
+  .dependency(require('../support/router'))
+  .dependency(require('../support/push'))
+  .dependency(require('./input'))
+  .define(function(options, router, push, input) {
+    var log = logger.createLogger('device:plugins:clipboard')
+
+    router.on(wire.PasteMessage, function(channel, message) {
+      log.info('Pasting "%s" to clipboard', message.text)
+      var seq = 0
+      input.paste(message.text)
+        .then(function() {
+          push.send([
+            channel
+          , wireutil.envelope(new wire.TransactionDoneMessage(
+              options.serial
+            , seq++
+            , true
+            ))
+          ])
+        })
+        .catch(function(err) {
+          log.error('Paste failed', err.stack)
+          push.send([
+            channel
+          , wireutil.envelope(new wire.TransactionDoneMessage(
+              options.serial
+            , seq++
+            , false
+            , err.message
+            ))
+          ])
+        })
+    })
+
+    router.on(wire.CopyMessage, function(channel) {
+      log.info('Copying clipboard contents')
+      var seq = 0
+      input.copy()
+        .then(function(content) {
+          push.send([
+            channel
+          , wireutil.envelope(new wire.TransactionDoneMessage(
+              options.serial
+            , seq++
+            , true
+            , content
+            ))
+          ])
+        })
+        .catch(function(err) {
+          log.error('Copy failed', err.stack)
+          push.send([
+            channel
+          , wireutil.envelope(new wire.TransactionDoneMessage(
+              options.serial
+            , seq++
+            , false
+            , err.message
+            ))
+          ])
+        })
+    })
+  })
diff --git a/lib/roles/device/plugins/input.js b/lib/roles/device/plugins/input.js
index 4ce493a8..34f0ad92 100644
--- a/lib/roles/device/plugins/input.js
+++ b/lib/roles/device/plugins/input.js
@@ -2,7 +2,7 @@ var util = require('util')
 
 var syrup = require('syrup')
 var split = require('split')
-var ByteBuffer = require('protobufjs/node_modules/bytebuffer')
+var Promise = require('bluebird')
 
 var wire = require('../../../wire')
 var wireutil = require('../../../wire/util')
@@ -10,26 +10,29 @@ var devutil = require('../../../util/devutil')
 var keyutil = require('../../../util/keyutil')
 var streamutil = require('../../../util/streamutil')
 var logger = require('../../../util/logger')
+var ms = require('../../../wire/messagestream')
 
 module.exports = syrup.serial()
   .dependency(require('../support/adb'))
   .dependency(require('../support/router'))
   .dependency(require('../support/push'))
   .dependency(require('../support/quit'))
-  .dependency(require('../resources/inputagent'))
+  .dependency(require('../resources/service'))
   .define(function(options, adb, router, push, quit, apk) {
     var log = logger.createLogger('device:plugins:input')
+    var serviceQueue = []
 
     var agent = {
       socket: null
+    , writer: null
     , port: 1090
     }
 
     var service = {
       socket: null
+    , writer: null
+    , reader: null
     , port: 1100
-    , startAction: 'jp.co.cyberagent.stf.input.agent.InputService.ACTION_START'
-    , stopAction: 'jp.co.cyberagent.stf.input.agent.InputService.ACTION_STOP'
     }
 
     function openAgent() {
@@ -40,8 +43,7 @@ module.exports = syrup.serial()
         })
         .then(function() {
           return adb.shell(options.serial, util.format(
-            "export CLASSPATH='%s';" +
-            " exec app_process /system/bin '%s'"
+            "export CLASSPATH='%s'; exec app_process /system/bin '%s'"
           , apk.path
           , apk.main
           ))
@@ -65,6 +67,8 @@ module.exports = syrup.serial()
         })
         .then(function(conn) {
           agent.socket = conn
+          agent.writer = new ms.DelimitingStream()
+          agent.writer.pipe(conn)
           conn.on('error', function(err) {
             log.fatal('InputAgent socket had an error', err.stack)
             quit.fatal()
@@ -137,62 +141,166 @@ module.exports = syrup.serial()
           return devutil.waitForPortToFree(adb, options.serial, service.port)
         })
         .then(function() {
-          return callService(util.format("-a '%s'", service.startAction))
+          return callService(util.format("-a '%s'", apk.startAction))
         })
         .then(function() {
           return devutil.waitForPort(adb, options.serial, service.port)
         })
         .then(function(conn) {
           service.socket = conn
+          service.reader = conn.pipe(new ms.DelimitedStream())
+          service.reader.on('data', function(data) {
+              if (serviceQueue.length) {
+                var resolver = serviceQueue.shift()
+                resolver.resolve(data)
+              }
+              else {
+                log.warn('Unexpected data from service', data)
+              }
+            })
+          service.writer = new ms.DelimitingStream()
+          service.writer.pipe(conn)
           conn.on('error', function(err) {
-            log.fatal('InputService socket had an error', err.stack)
-            quit.fatal()
-          })
-          conn.on('end', function() {
-            log.fatal('InputService socket ended')
-            quit.fatal()
-          })
+              log.fatal('InputService socket had an error', err.stack)
+              quit.fatal()
+            })
+            .on('end', function() {
+              log.fatal('InputService socket ended')
+              quit.fatal()
+            })
         })
     }
 
     function stopService() {
-      return callService(util.format("-a '%s'", service.stopAction))
+      return callService(util.format("-a '%s'", apk.stopAction))
     }
 
     function sendInputEvent(event) {
-      var lengthBuffer = new ByteBuffer()
-        , messageBuffer = new apk.proto.InputEvent(event).encode()
+      agent.writer.write(new apk.agentProto.InputEvent(event).encodeNB())
+    }
 
-      // Delimiter
-      lengthBuffer.writeVarint32(messageBuffer.length)
-
-      agent.socket.write(Buffer.concat([
-        lengthBuffer.toBuffer()
-      , messageBuffer.toBuffer()
-      ]))
+    function version() {
+      return runServiceCommand(
+          apk.serviceProto.RequestType.VERSION
+        , new apk.serviceProto.VersionRequest()
+        )
+        .then(function(data) {
+          var response = apk.serviceProto.VersionResponse.decode(data)
+          if (response.success) {
+            return response.version
+          }
+          throw new Error('Unable to retrieve version')
+        })
     }
 
     function unlock() {
-      service.socket.write('unlock\n')
+      return runServiceCommand(
+          apk.serviceProto.RequestType.SET_KEYGUARD_STATE
+        , new apk.serviceProto.SetKeyguardStateRequest(false)
+        )
+        .then(function(data) {
+          var response = apk.serviceProto.SetKeyguardStateResponse.decode(data)
+          if (!response.success) {
+            throw new Error('Unable to unlock device')
+          }
+        })
     }
 
     function lock() {
-      service.socket.write('lock\n')
+      return runServiceCommand(
+          apk.serviceProto.RequestType.SET_KEYGUARD_STATE
+        , new apk.serviceProto.SetKeyguardStateRequest(true)
+        )
+        .then(function(data) {
+          var response = apk.serviceProto.SetKeyguardStateResponse.decode(data)
+          if (!response.success) {
+            throw new Error('Unable to lock device')
+          }
+        })
     }
 
     function acquireWakeLock() {
-      service.socket.write('acquire wake lock\n')
+      return runServiceCommand(
+          apk.serviceProto.RequestType.SET_WAKE_LOCK
+        , new apk.serviceProto.SetWakeLockRequest(true)
+        )
+        .then(function(data) {
+          var response = apk.serviceProto.SetWakeLockResponse.decode(data)
+          if (!response.success) {
+            throw new Error('Unable to acquire WakeLock')
+          }
+        })
     }
 
     function releaseWakeLock() {
-      service.socket.write('release wake lock\n')
+      return runServiceCommand(
+          apk.serviceProto.RequestType.SET_WAKE_LOCK
+        , new apk.serviceProto.SetWakeLockRequest(false)
+        )
+        .then(function(data) {
+          var response = apk.serviceProto.SetWakeLockResponse.decode(data)
+          if (!response.success) {
+            throw new Error('Unable to release WakeLock')
+          }
+        })
     }
 
     function identity() {
-      service.socket.write(util.format(
-        'show identity %s\n'
-      , options.serial
-      ))
+      return runServiceCommand(
+          apk.serviceProto.RequestType.IDENTIFY
+        , new apk.serviceProto.IdentifyRequest(options.serial)
+        )
+        .then(function(data) {
+          var response = apk.serviceProto.IdentifyResponse.decode(data)
+          if (!response.success) {
+            throw new Error('Unable to identify device')
+          }
+        })
+    }
+
+    function setClipboard(text) {
+      return runServiceCommand(
+          apk.serviceProto.RequestType.SET_CLIPBOARD
+        , new apk.serviceProto.SetClipboardRequest(
+            apk.serviceProto.ClipboardType.TEXT
+          , text
+          )
+        )
+        .then(function(data) {
+          var response = apk.serviceProto.SetClipboardResponse.decode(data)
+          if (!response.success) {
+            throw new Error('Unable to set clipboard')
+          }
+        })
+    }
+
+    function getClipboard() {
+      return runServiceCommand(
+          apk.serviceProto.RequestType.GET_CLIPBOARD
+        , new apk.serviceProto.GetClipboardRequest(
+            apk.serviceProto.ClipboardType.TEXT
+          )
+        )
+        .then(function(data) {
+          var response = apk.serviceProto.GetClipboardResponse.decode(data)
+          if (response.success) {
+            switch (response.type) {
+              case apk.serviceProto.ClipboardType.TEXT:
+                return response.text
+            }
+          }
+          throw new Error('Unable to get clipboard')
+        })
+    }
+
+    function runServiceCommand(type, cmd) {
+      var resolver = Promise.defer()
+      service.writer.write(new apk.serviceProto.RequestEnvelope(
+        type
+      , cmd.encodeNB()
+      ).encodeNB())
+      serviceQueue.push(resolver)
+      return resolver.promise
     }
 
     return openAgent()
@@ -242,6 +350,17 @@ module.exports = syrup.serial()
         , acquireWakeLock: acquireWakeLock
         , releaseWakeLock: releaseWakeLock
         , identity: identity
+        , paste: function(text) {
+            return setClipboard(text)
+              .then(function() {
+                sendInputEvent({
+                  action: 2
+                , keyCode: adb.Keycode.KEYCODE_V
+                , ctrlKey: true
+                })
+              })
+          }
+        , copy: getClipboard
         }
       })
   })
diff --git a/lib/roles/device/resources/inputagent.js b/lib/roles/device/resources/service.js
similarity index 66%
rename from lib/roles/device/resources/inputagent.js
rename to lib/roles/device/resources/service.js
index b61d951b..4ad6aea5 100644
--- a/lib/roles/device/resources/inputagent.js
+++ b/lib/roles/device/resources/service.js
@@ -11,16 +11,21 @@ var logger = require('../../../util/logger')
 module.exports = syrup.serial()
   .dependency(require('../support/adb'))
   .define(function(options, adb) {
-    var log = logger.createLogger('device:resources:inputagent')
+    var log = logger.createLogger('device:resources:service')
 
     var resource = {
       requiredVersion: '~0.2.0'
-    , pkg: 'jp.co.cyberagent.stf.input.agent'
-    , main: 'jp.co.cyberagent.stf.input.agent.InputAgent'
-    , apk: pathutil.vendor('InputAgent/InputAgent.apk')
-    , proto: ProtoBuf.loadProtoFile(
-        pathutil.vendor('InputAgent/proto/agent.proto')
-      ).build().jp.co.cyberagent.stf.input.agent.proto
+    , pkg: 'jp.co.cyberagent.stf'
+    , main: 'jp.co.cyberagent.stf.InputAgent'
+    , apk: pathutil.vendor('STFService/STFService.apk')
+    , agentProto: ProtoBuf.loadProtoFile(
+        pathutil.vendor('STFService/proto/agent.proto')
+      ).build().jp.co.cyberagent.stf.proto
+    , serviceProto: ProtoBuf.loadProtoFile(
+        pathutil.vendor('STFService/proto/service.proto')
+      ).build().jp.co.cyberagent.stf.proto
+    , startAction: 'jp.co.cyberagent.stf.ACTION_START'
+    , stopAction: 'jp.co.cyberagent.stf.ACTION_STOP'
     }
 
     function getPath() {
@@ -34,7 +39,7 @@ module.exports = syrup.serial()
     }
 
     function install() {
-      log.info('Checking whether we need to install InputAgent.apk')
+      log.info('Checking whether we need to install STFService')
       return getPath()
         .then(function(installedPath) {
           log.info('Running version check')
@@ -49,6 +54,10 @@ module.exports = syrup.serial()
               .timeout(10000)
               .then(function(buffer) {
                 var version = buffer.toString()
+                throw new Error(util.format(
+                  'Incompatible version %s'
+                , version
+                ))
                 if (semver.satisfies(version, resource.requiredVersion)) {
                   return installedPath
                 }
@@ -62,7 +71,7 @@ module.exports = syrup.serial()
           })
         })
         .catch(function() {
-          log.info('Installing InputAgent.apk')
+          log.info('Installing STFService')
           return adb.install(options.serial, resource.apk)
             .then(function() {
               return getPath()
@@ -72,12 +81,8 @@ module.exports = syrup.serial()
 
     return install()
       .then(function(path) {
-        log.info('InputAgent.apk up to date')
-        return {
-          path: path
-        , pkg: resource.pkg
-        , main: resource.main
-        , proto: resource.proto
-        }
+        log.info('STFService up to date')
+        resource.path = path
+        return resource
       })
   })
diff --git a/lib/roles/device/support/adb.js b/lib/roles/device/support/adb.js
index c11aff54..588cb8b6 100644
--- a/lib/roles/device/support/adb.js
+++ b/lib/roles/device/support/adb.js
@@ -9,6 +9,7 @@ module.exports = syrup.serial()
   .define(function(options) {
     var log = logger.createLogger('device:support:adb')
     var adb = adbkit.createClient()
+    adb.Keycode = adbkit.Keycode
 
     function ensureBootComplete() {
       return promiseutil.periodicNotify(
diff --git a/lib/wire/wire.proto b/lib/wire/wire.proto
index 3434ad43..c5a1cc6d 100644
--- a/lib/wire/wire.proto
+++ b/lib/wire/wire.proto
@@ -1,6 +1,7 @@
 // Message wrapper
 
 enum MessageType {
+  CopyMessage                = 33;
   DeviceAbsentMessage        = 1;
   DeviceHeartbeatMessage     = 28;
   DeviceIdentityMessage      = 2;
@@ -21,6 +22,7 @@ enum MessageType {
   LaunchActivityMessage      = 31;
   LeaveGroupMessage          = 15;
   LogcatApplyFiltersMessage  = 16;
+  PasteMessage               = 32;
   ProbeMessage               = 17;
   ShellCommandMessage        = 18;
   ShellKeepAliveMessage      = 19;
@@ -216,6 +218,13 @@ message TypeMessage {
   required string text = 1;
 }
 
+message PasteMessage {
+  required string text = 1;
+}
+
+message CopyMessage {
+}
+
 enum KeyCode {
   HOME        = 3;
   BACK        = 4;
diff --git a/res/app/components/stf/control/control-service.js b/res/app/components/stf/control/control-service.js
index 1215cd36..08a58d6f 100644
--- a/res/app/components/stf/control/control-service.js
+++ b/res/app/components/stf/control/control-service.js
@@ -78,6 +78,20 @@ module.exports = function ControlServiceFactory(
       })
     }
 
+    this.paste = function(text) {
+      var tx = TransactionService.create(target)
+      socket.emit('clipboard.paste', channel, tx.channel, {
+        text: text
+      })
+      return tx
+    }
+
+    this.copy = function() {
+      var tx = TransactionService.create(target)
+      socket.emit('clipboard.copy', channel, tx.channel)
+      return tx
+    }
+
     this.shell = function(command) {
       var tx = TransactionService.create(target)
       socket.emit('shell.command', channel, tx.channel, {
diff --git a/res/app/components/stf/screen/screen-directive.js b/res/app/components/stf/screen/screen-directive.js
index f18b3a91..02a8692c 100644
--- a/res/app/components/stf/screen/screen-directive.js
+++ b/res/app/components/stf/screen/screen-directive.js
@@ -86,7 +86,7 @@ module.exports = function DeviceScreenDirective($document, ScalingService) {
 
       function pasteListener(e) {
         e.preventDefault() // no need to change value
-        scope.control.type(e.clipboardData.getData('text/plain'))
+        scope.control.paste(e.clipboardData.getData('text/plain'))
       }
 
       function maybeLoadScreen() {
diff --git a/vendor/InputAgent/InputAgent.apk b/vendor/InputAgent/InputAgent.apk
deleted file mode 100644
index 373ba8be..00000000
Binary files a/vendor/InputAgent/InputAgent.apk and /dev/null differ
diff --git a/vendor/STFService/STFService.apk b/vendor/STFService/STFService.apk
new file mode 100644
index 00000000..8f310863
Binary files /dev/null and b/vendor/STFService/STFService.apk differ
diff --git a/vendor/InputAgent/proto/agent.proto b/vendor/STFService/proto/agent.proto
similarity index 91%
rename from vendor/InputAgent/proto/agent.proto
rename to vendor/STFService/proto/agent.proto
index aeadd9ae..9fd37eb4 100644
--- a/vendor/InputAgent/proto/agent.proto
+++ b/vendor/STFService/proto/agent.proto
@@ -1,4 +1,4 @@
-package jp.co.cyberagent.stf.input.agent.proto;
+package jp.co.cyberagent.stf.proto;
 
 option java_outer_classname = "AgentProto";
 
diff --git a/vendor/STFService/proto/service.proto b/vendor/STFService/proto/service.proto
new file mode 100644
index 00000000..6a951da6
--- /dev/null
+++ b/vendor/STFService/proto/service.proto
@@ -0,0 +1,92 @@
+package jp.co.cyberagent.stf.proto;
+
+option java_outer_classname = "ServiceProto";
+
+enum RequestType {
+  VERSION = 0;
+  SET_KEYGUARD_STATE = 1;
+  SET_WAKE_LOCK = 2;
+  SET_CLIPBOARD = 3;
+  GET_CLIPBOARD = 4;
+  GET_PROPERTIES = 6;
+  IDENTIFY = 7;
+}
+
+message RequestEnvelope {
+	required RequestType type = 1;
+	required bytes request = 2;
+}
+
+message ResponseEnvelope {
+  required bool success = 1;
+  required bytes response = 2;
+}
+
+message VersionRequest {
+}
+
+message VersionResponse {
+	required bool success = 1;
+	optional string version = 2;
+}
+
+message SetKeyguardStateRequest {
+  required bool enabled = 1;
+}
+
+message SetKeyguardStateResponse {
+  required bool success = 1;
+}
+
+message SetWakeLockRequest {
+  required bool enabled = 1;
+}
+
+message SetWakeLockResponse {
+  required bool success = 1;
+}
+
+enum ClipboardType {
+  TEXT = 1;
+}
+
+message SetClipboardRequest {
+  required ClipboardType type = 1;
+  optional string text = 2;
+}
+
+message SetClipboardResponse {
+  required bool success = 1;
+}
+
+message GetClipboardRequest {
+  required ClipboardType type = 1;
+}
+
+message GetClipboardResponse {
+  required bool success = 1;
+  optional ClipboardType type = 2;
+  optional string text = 3;
+}
+
+message Property {
+	required string name = 1;
+	required string value = 2;
+}
+
+message GetPropertiesRequest {
+	repeated string properties = 1;
+}
+
+message GetPropertiesResponse {
+	required bool success = 1;
+  repeated Property properties = 2;
+}
+
+message IdentifyRequest {
+	required string serial = 1;
+}
+
+message IdentifyResponse {
+	required bool success = 1;
+}