The easiest answer is going to be a flagship phone from any of the large manufacturers. E.g. Samsung, LG. The most likely reason is that they have some of the best video gpus and more ram and the fastest processors. This also makes it more likely that it got tested by kabaam. That being said the last 4 patches have nearly made this game unplayable.
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Check that out
A lot of high powered devices CAN'T PROPERLY HANDLE F2F