My top 5 USED apps;
1. IM+ Lite - Can talk to people on any instant messaging service and facebook chat.
2. FaceBook app - Facebook, what else?
3. iMobsters - A game created by a company called Storm8 which make a series of games.
4. World War - Another game created by Storm8.
5. Need for Speed - Don't know which one but I know it is around £4-6 but worth it