What is the crowd's opinion of AR Sudoku Solver?

From 3.5 billion comments

Thanks for reminding me I have a solver app that I've never got to use, the solution if you want.

https://play.google.com/store/apps/details?id=com.enigon.sudokusolver&hl=en&gl=US there are android apps like that

Sudoku Solver I used to use just because I could.