Easy Star Battle boards resolve with the fundamentals: mark the eight cells around every star, close out rows, columns, and regions that already have their stars, and place a star wherever a region has only one legal spot left. Every deduction is visible on the board right now — no long chains.
Start here if the no-touch rule is new to you: the how-to-play guide walks through each of these moves with examples, and the auto-X assist marks star neighbors for you while you learn.