PicaSim: Flight simulator is a remote control flight simulator for Android that costs $3.50 and has zero in app purchases.
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Pro Several Video modes supported
Option to tune video options to match your hardware.
Pro Controller support
Moga Hero Power known to work. PS3 controller doesn't though (or at least I haven't figured out how to make it work)
Pro FPV support on 3D flying fields
Fly with a virtual camera attached to the aircraft.
Pro Large selection of gliders
Pro Extra modes no included in free version
There are a few extra modes not found in the free version of this title that include racing modes as well as duration challenges.
Pro Dedicated forum for discussion
There is a dedicated forum for discussion of the games as well as for suggestions of features.
Con No Cars
Con No Helicopters.
A single Quadrocopter model is included, though.