Nope. Tapatalk has never been disabled. I have it up on my iPhone right now just to be sure.
Whatever issue you're having, it doesn't look like it's something on our end. Unfortunately I'm not intimately familiar with the Android version of Tapatalk, so other than being sure to have the latest version I'm not sure what to tell you.
Team Anandtech: Assimilating a computer near you!
GameStop - An upscale specialized pawnshop that happens to sell new games on the side
Todd the Wraith: On Fruit Bowls - I hope they prove [to be] as delicious as the farmers who grew them