Lamborghini Aventador LP 700-4 Low Poly and DFF Only mod.No txd or image file needed.The file have low poly and low weight sa friendly (479 kb). Installation:
Using GTA IMG Tool Just add it to "gta3.img" in android/data/com.rockstargames.gtasa/files/texdb.
Make sure to backup your data before using this mod.
My recommendation would be the "cheetah" or any sports car, the choice is up to you.
Note: The original of this mod is here. Thanks to @noodles. I only made edits to the mobile version.