1) Is your team building a launcher for this year's game?
Yes
2) If yes, then how are you making the shooter accurate?
From what I know and understand so far, I don't know if it'll be accurate(the camera hasn't been tested yet).
3) Approximately how accurate is the launcher?
When set on one fixed spot, this video will show you.
http://www.anonobots-1190.com/downloads/videos