Chess Move 2 is a puzzle game rather than a full chess game: you're shown a position and asked to find the best move. Sometimes it's a mate, sometimes it's winning material, sometimes it's the only move that saves you.
This is how strong players actually train. Recognising a tactical pattern — a fork, a pin, a discovered attack — is a skill that transfers directly into games.
Tactical positions — forks, pins, skewers, discovered attacks and forced mates — where one move wins material or the game.
Yes, more than almost anything else at amateur level, because most games are decided by a tactic one player saw and the other didn't.
Yes — tap to move. Nothing to install.