Please could you share the contents of your Console window too?
Here is what mine looks like after a successful launch.
[2014-02-19 13:58:36 - HelloWorld] ------------------------------
[2014-02-19 13:58:36 - HelloWorld] Android Launch!
[2014-02-19 13:58:36 - HelloWorld] adb is running normally.
[2014-02-19 13:58:36 - HelloWorld] Performing com.esri.arcgis.android.samples.helloworld.HelloWorld activity launch
[2014-02-19 13:59:01 - HelloWorld] Launching a new emulator with Virtual Device 'Nexus7Haxm'
[2014-02-19 13:59:05 - Emulator] emulator: device fd:880
[2014-02-19 13:59:05 - Emulator]
[2014-02-19 13:59:05 - Emulator] HAX is working and emulator runs in fast virt mode
[2014-02-19 13:59:07 - Emulator] creating window 0 0 608 972
[2014-02-19 13:59:07 - HelloWorld] New emulator found: emulator-5554
[2014-02-19 13:59:07 - HelloWorld] Waiting for HOME ('android.process.acore') to be launched...
[2014-02-19 13:59:37 - HelloWorld] HOME is up on device 'emulator-5554'
[2014-02-19 13:59:37 - HelloWorld] Uploading HelloWorld.apk onto device 'emulator-5554'
[2014-02-19 14:00:00 - HelloWorld] Installing HelloWorld.apk...
[2014-02-19 14:00:05 - HelloWorld] Success!
[2014-02-19 14:00:05 - HelloWorld] Starting activity com.esri.arcgis.android.samples.helloworld.HelloWorld on device emulator-5554
[2014-02-19 14:00:05 - HelloWorld] ActivityManager: Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.esri.arcgis.android.samples.helloworld/.HelloWorld }