Here is an update to my PSP eboot editor called PSPBPacker. Thanks to shaplayer I have added a new option. You can now change the eboot version that appears in the XMB when you view the info.
You can add/edit/remove the following:
Although you can change the DATA.PSP/PSAR it's not a good idea unless you know what you're doing.
*You can now add/edit the app version for eboot
*Fixed some bugs