CallController uses the accelerometer to control your calls in a new way. All you do is Shake or Flip your phone to answer,reject or silence an incoming call. It Also Features a Quick Enable/Diable Button on the LockScreen.The App is very similar to mCoolphone but actully works better then mCoolphoneon top of working great the app is also free It is now $2.99 with 7Days Trial period. (mCoolphone costs The same $2.99). This App is available in Cydia.