Passive taming? Chase the creature around for half an hour and stress like a maniac while feeding it. Active taming? Just knock it out and sit next to it while it eats. :
I HAVE 100 DAYS TO DEFEAT ARK ADDITIONS BY PASSIVE TAMING ONLY!! - YouTube
PASSIVE TAMING TUTORIAL + DAILY PURSUITS | ARK Mobile Beginner's Guide | Singleplayer EP 5 - YouTube