flaperon is just making the ailerons act like flaps, it allows the plane to fly at a lower speed without falling out of the air.

on most sport planes flaps/flaperons are way over rated and are only much use on planes with realativly high wing loading.

depending on the center of moment the flaps should make the plane baloon up but can also make the nose drop, to get them working together for landing you should mix in some up elevator to give a slower, higher alpha landing than normal.

i've also seen tham used at higher speeds as flaps and air brakes to give some real funky moves.