sorry everybody, but i am compleet lost. I don't know like you. I try but ????

So i have tested Next_gen and IGO Primo for Android Car nav like said by Boki_Srb.

IGO Primo for Android Car nav crash when i choose language
and
Next-Gen do not react when i push Launch navigation ( a bip can be heart) .

I have no chance.

Ps : iGo folder on SD card.