Yeah, when using .apk, you need to keep under 2GB, which means we will have to make the image quality worse every update. Eventually I just couldn't make the images any worse without them being a complete blurry mess.
Which I always found odd. They state a max of 4 GB limit but around 2 GB is what it mostly can take. I use BlueStacks Android emulator because my mobile device is an Amazon Fire tablet and while it accepts apk files it struggles to play them. I usually get 5-15 minutes of play time before it crashes. But again, not the games' fault but my device.