I can't see skins and mobs

If i start Minecraft, i can't see my skin and of i go to skins i can't see any skins. Even of i create a world and spawn some mobs or i go to third person mode i can't see them, bybthe mibs i can only see a shadow.

I play MineCraft on my Samsung Galaxy Tab E

I have got 2 pictures but they are a bit turned around

I hope you can fix it!