unzip copy both file player folder and player.img and paste in
android\data\com.rockstargames.gtasa\files\texdb\

if skin not work then download gta.dat and put in
com.rockstargames.gtasa\files\data
Download Link for gta.dat file:-
https://www.dropbox.com/s/xnoxsiupctx7oyw/gta.dat?dl=0

start new game and enjoy!