(Android development has brought a new round of craze, which has brought many mobile developers into this wave and created many appropriate and excellent uses. Here are some open source projects. These projects not only provide excellent ideas, but also can directly master the use of the interface of the Android kernel. 1. If the sample projects provided by the Android team did not start from learning the sample code provided in the Android SDK, there may be no better way to master the development on the Android framework. The core development team of Android has provided 15 excellent example projects, including games, picture management, time display, start menu shortcuts, etc. Address: code. google/p/apps for android/2. RemoteDroidRemoteDroid is an Android application that allows users to use their wireless networks to operate their phones using wireless keyboards and touch screens. This project provides developers with good examples such as network connection, touch screen finger movement, etc.)