Merge user space and app space

From the 4GB internal memory, around 800MB are available for personal datas: photos, videos, music...etc. Around 1.7GB are available for games and apps download and around 1.3GB are occupied by the system.

Of the 800 MB arround 400 MB are blocked by a system file preinstall/check1.bin. If I delete the file it will be restored. Please think about removing this file from the personal data region.

Would it be possible to join the apps and personal region to one continuous space of 2,5 GB? Then allocation would be more flexible.