![](https://play-lh.googleusercontent.com/a/ACg8ocLODsIiPWnNDrDEjjJTgCjDAl34VFQlTDukx4cDWvPSOr5JNA=s32-mo)
ShioGai Quek
I am a paying user. From the info online, I assume that the entire app is developed by one single person. The strength of the AI is good considering how this app was made, even if at present there already exists an open-source counterpart which is observed to be even stronger. The number of undos can be reset to 2 by clearing off the saved data, allowing 2 undos/match. As all non-consumable features are permanent even after reinstallation, I have chosen to keep using this app.