So, I just bought a new Galaxy Note II the other day and saw that Tapatalk 4 was on sale on Google play for $0.99. Sweet, I'll upgrade from Tapatalk 2. What a sorry waste of $0.99, I quickly loaded V2 and have no problems. Sometimes it will load, other times it just sits and says "loading". I'm going to keep dickering with 4, but out of the gate dual thumbs down. I still have to sync it with my VWVortex account and my Dootalk.com account to see how they work. On my first login I got the API error, but haven't seen it again.