Plain game has a move limit mechanic and sometimes clicking does not register properly. i find it kind of addictive but also frustrating.
Tap two matching tiles to eliminate them, you have a move limit.
The controls are just tapping. The game has a move limit mechanic.
Most tip is to clear tiles that are almost blocked early. Waiting a second after tapping can help with wonky physics registering the move.
Q: What are the controls? A: The controls are just tapping.
Q: What is the objective? A: The objective is to tap two matching tiles to eliminate them.
Q: What is a stated feature? A: The game has a move limit mechanic.
Q: What is the main mechanic? A: The main mechanic is matching tiles.