I think your account was stuck in a weird state.
I manually set it so you don't need to go under review. Hopefully any new submission will be fine now.
@Murtaza on the hyperpad app. If you click on the 3 lines on the top left and click on ‘my cloud backups’ it shows the option to go to a developer tier for 10gb.
There's a way you can reset your save data in the Debug menu when you are editing your project. And I've been having the issue with the opposite, data doesn't save sometimes and everything goes into default every once in a while.
@Unitycube2 You can get the label of a text, combine it with another letter you are trying to type and set the label of that text. This is perfect for making keyboards, because you can control every aspect of it.