Get a Plarium Play account, then link it to your phone, then download Plarium Play on your PC, then log into your Plarium Play account on your PC, download Mech Arena, start the game.
Playing on desktop will improve your gameplay by 50%
Controls are easier. Tried on my iPad Air 4th gen, super great graphics, but controls suck. SO I play only desktop, and upgrade when away from dt, on iPad.