Download this file and drop it inside “/system/library/coreservices/springboard.app/”. (Using DISKAID, or other device file browser, you can SSH too).
To do it manually, edit your N82AP.plist and change “<key>opengles-1</key>” to “<key>opengles-2</key>”.
Reboot your device or respring.
The above .plist, enables multitask and fixes the crash, but if you are searching for Multitasking + HomeScreenWallPaper + Fix: Download This .Plist and drop on the same place mentioned above.
I don’t know if more people found this before, I fixed accidentally messing with the plist to enable multitasking. It crashed a lot and I started to change every value to find what I broke.