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 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 Large selection of gliders
Pro Dedicated forum for discussion
There is a dedicated forum for discussion of the games as well as for suggestions of features.
Con No Boats
Con No Cars
Con No Helicopters.
A single Quadrocopter model is included, though.