Here are the Android Apps I find especially useful:
- Audio Manager - gives you a quick overview of what audio is on - useful if you want to be really sure your phone is silent...
- CalWidget - the best calendar widget I've found synchronising with Google calendar.
- Touch Calendar - if you need to search your calendar
- GTasks - same thing for Google tasks.
- HIIT interval training timer - the name speaks for itself.
- Listen - Listen to podcasts.
- RealCalc - scientific calculator
- Scandinavian keyboard
- Silent Toggle Widget - easy to change beetween ringing, vibrating and silent phone
- SplitTheTab - If you miss ExpenseSharer :D
- Spotify
- Stopwatch & timer
- Storage analyser - if you're wondering what is filling up your memory card
- Speed anatomy - if you want to become a doctor...
- Push ups - push you to take push ups (there is a sit ups app too:)
- JEFIT - extensive list of exercises to become Arnold look alike
- IMDB - International Movie Data Base
- Alarm - get up in the morning
- Astro - file manager
- GMail
- Toggle Data - make sure your GPRS connection is off abroad.