Mastering C/C++, Java program, familiar with OOP;
Mastering common data structure, algorithms and design patterns;
Familiar with MySQL, Oracle database, mastering SQL and store procedure;
Familiar with 2D image and 3D graphics, mastering OpenGL, OpenGL ES;
Mastering Ajax, TCP/IP technology;
Familiar with Android framework, Android UI technology;
Familiar with Android SQLite, file and data communication;
Familiar with Android NDK, Widget technology;
Familiar with Android HTTP, WiFi and Bluetooth technology;
Mastering gdb, make, svn tools, etc.