- Idea: work out a times-sum in a grid, like on paper
- Write in the boxes with a finger/pen, or switch to typing
- Type mode checks itself; a "show the answer" button helps
- A happy sound when it's right + Beary's encouragement
- On a village backdrop, works on phone & desktop
- Add more, varied problemsplanned
✓ = done · ☐ = planned. Every game is built one step at a time like this.
