One-thumb control: the right standard for mobile sports games
Tap to shoot, hold to charge, drag to steer — one thumb covers the whole match.
On a phone bought for a third of a flagship's price, a small screen and thin frame turn multi-finger controls into a punishment: the little finger props the phone, the thumb taps wide, and the shot misses because you are holding the device two-handed on a bus. Good sports games for budget phones are built for one thumb: tap to shoot, hold to charge, drag to steer. That is not dumbing down; it is how the whole arcade sports line has survived since the last century.
One thumb also means playing in more places: standing in a queue, waiting for a lift, sitting next to someone in the office without taking over the desk. Test the game in exactly the situation you plan to play: if it needs two hands, sharp eyes on every frame, or a phone laid flat on a table, it has removed itself from a busy person's list.
A final test: play one match with your off hand. A well-made one-thumb game still gives you a passable match with the left hand, because the control map is simple enough that outcomes ride on timing, not finger precision. If the off hand loses hopelessly, the game is demanding more than one thumb — and on a cheap phone it will demand battery too.

9 Ball Pool 3D