Pocket Morty android game texture ripping

hi, i am trying to rip the textures and 2d models from the game pocket morty for android.
im currenly using DevXunity for data extraction.
and i cant seem to get te textures in a legitable format.
Some of them looks fine but others have all the alpha colors ruined.
can any one help me in how to rip the textures from the game?.

  Overlay.png (Size: 252.66 KB / Downloads: 7)

  SpriteAtlasTexture-Cells (Group 0)-2048x1024-fmt4.png (Size: 106.37 KB / Downloads: 5)