Wait, the PSVita supposedly uses cartridge media now, right? But, if this rumor is true, it would also need to be installed? Why is that? Sony using cheap media for game cartridges that they can't use it to play off of it in real-time? Or would the memory cards be faster/easier to access?
I is confuzzled.
The last thing you said. Sony has not announced the read speed of the Vita game cards nor the memory cards. If the memory cards end up having like 3x the read speed as a game card, then mandatory installs would make sense.