Found some good apps from a few recent threads so let's share the knowledge and see what else is out there.

Post up phone, and apps.

I have a Galaxy S2 and the apps I currently have used at least once in the past two weeks are:

Archery Tool
Cogs Demo
Alchemy
Bow Man
Deer Hunter Reloaded (gay that once you hit a certain point you have to spend real money on in game stuff to proceed, which I refuse to do)
Drag Racing Workbench
Easy mp3 V2
Adownloader (torrents)
Hanging Free
Gasbuddy (just got it tonight)
IPSC shot timer
Kegel Muscle Exerciser (yea, you read that right)
Math Workout
Jefit
Myfitnesspal
Reloading cost calculator
Soundhound
Strelok (ballistic calculator)
Words Free
Workout Trainer
Yoga Workout Planner