Backup apps on SGS 2 with broken display?
Requires CWM:

from codemink:


  Backup Your Device
  Start the phone in recovery mode and make sure that it is recognized by the PC. Open a terminal in the folder where the executable adb (usually C: \ Program Files \ Android \ android-sdk \ platform-tools)  is located and execute the following commands:


adb backup -f boot.img boot
adb backup -f system.img system
adb backup -f data.img data



  Restore Your Device
  With the phone in recovery mode, start the terminal with these commands as explained below:


 adb shell echo -n boot &gt; /tmp/ro.bu.restore
 adb restore boot.img
 adb shell echo -n system &gt; /tmp/ro.bu.restore
 adb restore system.img
 adb shell echo -n data &gt; /tmp/ro.bu.restore
 adb restore data.img