Here is the hack for Jar on a Bar. In Jar on a Bar hack, you can get unlimited Shells (Money), Unlimited Powers (Shield,Wings,Holy Water), All Stamps unlocked,All Levels unlocked and Jar on a Bar Movie unlocked.
How to get unlimited Shells on Jar on a Bar without:
1. Install & Run Jar on a Bar. Exit and close from multitask.
2. Download then Copy file ‘com.chillingo.jaronthebar.plist’ to var/mobile/applications/xxxx/Library/Preferences
3. Overwrite existing file.
4. Enjoy Unlimited Shells + Powers + All Levels Unlocked on Jar on a Bar brought to you by James, ONLY HERE at iPlayPlus.org
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