Last last year, Nightstar1994 made a
thread about pre-smartphone Dragon Ball games on mobile devices. I did a bit of digging and discovered other titles, but as the thread died I never got to share them. With Mario Kart 8 fresh in my mind, I was reminded about one of the more
interesting Dragon Ball Mobile games:




Yep, that is 2009's Dragon Ball Racing for FOMA 903i phones. The screenshots are from
Gpara.
There's plenty of other mobile curiosities from pinball, reversi, multiple fighters, RPGs, and some game called Dragon Ball Ultimate Blast (not that one). Here's some assorted images, with the links attached if you click them:







It looks like the Japanese Wikipedia
article for Dragon Ball has a pretty large list of these mobile games, but I have no clue if that's everything. Searching some of the names gives you 0 results.
"I like the money it brings in, but Dragon Ball Heroes is the worst. That's actually the real reason I decided to start working on new material. I was afraid Bandai would make something irredeemably stupid like Super Saiyan 4 Broly." - Akira Toriyama, made up interview, 2013.