im sorry if this is somewhere but i tried looking and no solution, must be the compression of the textures. I dont know how to fix it help me please.
is your device on the supported devices list? when I run template project on my unsuported devices it looks somewhat similiar and has horrible performance
Look at this thread: https://forums.unrealengine.com/showthread.php?15449-Strange-pixelation-in-landscape-on-Nexus-5. If you’ve got the same issue, then there is a solution for it at the bottom.