这是一组很有用的开源的 Android 示例程序，用于演示 Android 平台的各种特性：

• Amazed: A simple but addictive accelerometer-based marble-guidance game.
• AndroidGlobalTime: a full representation of the Earth that you can spin around.
• AnyCut: A utility that lets users create Home screen shortcuts to nearly anything in the system.
• Clickin2DaBeat: A game that mashes up YouTube with custom rhythm-game logic.
• DivideAndConquer: a game in which you must isolate bouncing balls by creating walls around them.
• HeightMapProfiler: A simple 3D performance testing tool that renders a 3D height map.
• LOLcat Builder: O HAI. I CN HAS CHEEZBURGER?! IM N UR PHONE, CAPTIONIN UR PHOTOS.
• Panoramio: An app that shows you nearby photos and points of interest.
• Photostream: An app that lets you view photostreams from online photo-hosting services.
• Radar: A radar-style relative location display view, used by Panoramio and others.
• RingsExtended: A utility that provides enhanced control over ringtones.
• Samples: Miscellaneous examples showing features of the Android platform (among which OpenGL ES).
• SpriteMethodTest: An application that compares the speed of various 2D sprite drawing methods.
• Translate: Translates more than 150 language pairs with Google's translation service.
• WebViewDemo: How Java and JavaScript can call each other inside a WebView.
• WikiNotes: A wiki note pad that uses intents to navigate to wiki words and other rich content stored in the notes. 

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