What do the Akaio loaders do?

So I just finished putting the 1.5 firmware and some roms on my microsd card, but now I'm seeing something on their Wiki about getting the "loaders"...What do the loaders do? Do I need to get them?

http://wiki.gbatemp.net/wiki/index.php?title=AKAIO#Official_AK2_Loader It's recommended you do, just in case the AKAIO loader fails with compatibility of a game, you have another to fall back on.