My Favorite Android Apps (1)

iReader - for both phone and tablet. Similar to Apple iBook but can download free books in Chinese. 
Dolphin Broswer HD - for both phone and tablet. Can import your Google bookmarks.
ezPDF Reader - Best PDF reader I found so far. 
Dropbox - Easiest way to sync files
Duomi Music 多米音乐 - Free songs with synchronized lyrics.
搜狐视频 - for tablet Free movies and TV. Quality is pretty good.