Some Ideas that turned out useful to people.
And might help you aswell.
Minesweeper
chrome web store extension link
Solo development | 600+ weekly active users
Developed it for myself, turns out many people needed this.
Why pay $6 for just to have multiple boards?
developed on top of excalidraw.com
Solo development
Robust File and Folder management with drag and drop. Saves locally.
Flip & Match: Memory Game & Fortune Cookie
chrome web store extension link
Solo development
Another Idea, Published this aswell.