What is the crowd's opinion of Material Sudoku?

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https://play.google.com/store/apps/details?id=com.jdamcd.sudoku

Try this one, quite pretty and has Play Games achievements

https://play.google.com/store/apps/details?id=com.jdamcd.sudoku

This is the one I use: https://play.google.com/store/apps/details?id=com.jdamcd.sudoku

https://play.google.com/store/apps/details?id=com.jdamcd.sudoku

https://play.google.com/store/apps/details?id=com.perunlabs.app.box

https://play.google.com/store/apps/details?id=com.martinmagni.mekorama

https://play.google.com/store/apps/details?id=com.roguetemple.hyperroidgold

https://play.google.com/store/apps/details?id=com.magmafortress.hoplite

I quite like this sudoku app.