iStore 11i vs R11 additional feature / Differences

[malkasri]

Hello Dear gurus,

1. Could you please let us know what are the Differences / Additional feature in iStore 11i vs R12

2. Any document / Document link available, please guide us on the right direction

looked in to Metalink, R12 docs 11i docs, google search....still searching

any information would be greatly appreciated

thanks