Despite both PS2/PSP and GBA ports are called Ghost Rider, that's where their similarities end. As a result of that, the current leader boards have certain shortcomings from GBA standpoint:

• GBA Port is missing ILs (which would be further divided into Angel/Human and Demonic as level layouts differ)
• None of the category or game rules specify GBA timing or emulation restrictions
• NG+ in GBA is only really possible in Demonic Mode, which is unlocked after clearing the game in Angel/Human. These should be addressed in the category rules

I propose creating a new leaderboard for "Ghost Rider (GBA)" and migrating the existing submissions (including obsoleted ones) to the new leaderboard. I would be willing to handle all the tasks pertaining to the split and future moderation of the new leaderboard.

If the moderator is against a board split, at the very least, the rules should be updated to include GBA port of the game. Again, I would be happy to write up the GBA specific rules. This would still result in omission of ILs, but it would make the rules clear for future runners of the game.

yes, you can create a leaderboard just for Ghost Rider GBA

A new leaderboard has been created: https://www.speedrun.com/Ghost_Rider_GBA

Feel free to archive/remove the runs from this leaderboard at your convenience