Yeah, I think The LEGO Company didn't think this one through, all sorts of fan made apps on the store makes it hard to figure out which ones they actually "took over" and whats just a wallpaper pack someone snuck in to try and make a quick buck from kids who don't know better.
I wish they just stuck to taking over other LEGO branded apps, but when I asked about it they said "Its not a takeover if we just conquer what we already own : )". Even using the one they asked me to leak as a guide, I've only found two more that they said are correct, they aren't all as obvious as having a Krana on the app's icon. I didn't find any others until I looked at the game's screenshots of character models rather than just the icons.
Ill give you a hint for the two I DID find, one was on a flappy bird clone, the other was on a "AAA" tittle.