None of the boards apps I saw had infinite easy to move screen. All have one page each locked down at once. In this we can move the screen and also the writing is easy.
There is an oauth issue with logging in with my Google account, which is the one I have the pro account through.
Very smooth experince, I use it to teach math to my kids...
It's a great app. One suggestion, please make the files exportable to local storage. Otherwise great.
Crashed my entire phone including mobile connection, stopped music playing and froze every time I tried to use it. Repeated every time. Unusable for me