What’s great is that this feature also copies all computed columns over as well.
Perfect, I finished copying the data by hand just yesterday. I hadn’t seen this feature!
But not all evils come to harm, thanks to this I noticed an error in the original data structure. 
Great!
This is indeed great as it copies the computed columns. However, it doesn’t copy anything related to the layouts, actions, etc. Any workaround for migrating from App to Page?
I understand not all features/components are available on both versions, but many of them are the same so it’s too bad we cannot copy at least those.