I saw a custom asset bundle in an iOS project I evaluated, so at least I know it\'s possible.
My issue is that I\'m using a CATiledLayer with about 22,000 tiles for
Answer is stupidly simple
Make a folder in finder, add files to it, rename it to bundlename.bundle
drag into Xcode - success!
to access, use the form of PathToMainBundle+"/bundlename.bundle"