There is an easy way of clearing your tablet's cache, sorry for not crediting the member, but here is a guide on fixing it. It's from Pocketables, if you're wondering.

I hope apps can be shared, multiple instances of the same app will eat memory.
Netgear  has the first miracast TV interface already.

Yes, this has been worrying me for quite a while, in fact. I heard of the new features including multiple users a month ago, but I couldn't help but think this through. The memory would run out on just one game being installed. They should consider using the original data (when the application was first installed) and the only new memory being written would be the saves.