Sudoku

Instructions:

NOTE – If the app is in sleep mode it may take 1 to 2 min  to activate. Thereafter you may use it continuously till you stop for 15 min. again in a stretch.  

1. Click on the app icon.
2. It may take few seconds to upload. 
3. Fill in your name
4. Select grid size 
5. Click Generate Sudoku. 
6. Play.