我已经在我的OSX Mountain Lion中安装了Android SDK，来自以下网址 http://developer.android.com/sdk/index.html 只需要解压缩文件以使环境正常工作。
它确实有效，但是当我尝试在avd中执行时，模拟器会打开，但应用程序永远不会出现。
我已尝试使用不同的设备和不同的应用，并执行adb kill-server和adb start-server。但是没有用。
修改
控制台说：
[2012-12-25 22:47:00 - test] Android Launch!
[2012-12-25 22:47:00 - test] adb is running normally.
[2012-12-25 22:47:00 - test] No Launcher activity found!
[2012-12-25 22:47:00 - test] The launch will only sync the application package on the device!
[2012-12-25 22:47:00 - test] Performing sync
[2012-12-25 22:47:00 - test] Automatic Target Mode: using existing emulator 'emulator-5554' running compatible AVD 'mobile_test_4.1'
[2012-12-25 22:47:00 - test] Uploading test.apk onto device 'emulator-5554'
[2012-12-25 22:47:00 - test] Installing test.apk...
[2012-12-25 22:47:04 - test] Success!
[2012-12-25 22:47:04 - test] /test/bin/test.apk installed on device
[2012-12-25 22:47:04 - test] Done!