You may have two choices.



I. For Full Package (Just Copy and Paste)

1) Copy 'data' folder to your 'phone\Android\data\com.rockstargames.gtasa\files\'.

2) Copy 'player.img' file to your 'phone\Android\data\com.rockstargames.gtasa\files\texdb\'. 

3) Copy 'player' folder to your 'phone\Android\data\com.rockstargames.gtasa\files\texdb\'.



II. For Manual Installation

1) Download this mod and 'Trevor Phillips Player.img (by M.T.H) for Android' mod.
http://www.gtainside.com/en/sanandreas/mods/114540-trevor-phillips-player-img-by-m-t-h-for-android/
For the installation of tattoo mod, you may edit 'player.img' file and 'player' folder of 'Trevor Phillips Player.img (by M.T.H) for Android' mod.

2) Open 'player.img' file by Alci's IMG editor.

3) Delete original 'afro.dff' and 'cs_afro.dff' files and import new 'afro.dff' and 'cs_afro.dff' files.

4) Press 'Rebuild' button and rebuild 'player.img'.

5) Open 'player.txt' file from 'player' folder by txdfucker.

6) Import (with alpha) all png images in 'png files to player.txt' folder. Overwrite all the images and exit txdfucker.

7) Copy 'data' folder to your 'phone\Android\data\com.rockstargames.gtasa\files\'.

8) Copy 'player.img' file to your 'phone\Android\data\com.rockstargames.gtasa\files\texdb\'. 

9) Copy modified 'player' folder to your 'phone\Android\data\com.rockstargames.gtasa\files\texdb\'.