Sorry my bad, I'm still unfamiliar with how uploading works here.
So I just tried it with my brother's save, and I got his key which was indeed different
his key: yU1qRiR9RvOT9WoB
my hey: /9eEEevmwJ6AnuX9
the IV is the same for both.
Edit:
So I need as many tries as possible to be able to understand how key generation on Android works. Maybe it's a base 64 encoding of something. Under this line I will post whatever "keys" I find in my game:
- 39e0c09f-60c5-48d6-b448-dd274e9dd03d
- c388bd10-7798-438f-90fb-ccab35a496d3
- 985a5a53-d612-470f-bf3a-d94a23741cd5
- f4b2b321-4a53-43f5-85a6-b71afa3cca15
- enfs2oWEb3tZFWFDJILT0Ziab4rZ86U5gsRZrx+0/EWKbllN3pusITS9mjFXibA+ELjFBvl4uMGE h1CjOcBrIt+7aE8FJuo29W1irAAgzWqd1v69TZsO4DwB0qizXR/UztuURgQ/BDsG5HhPt5o/fs9m QLuM2z69ojxHXklH8t/geuUmVqUvfL9PG/vbUmWHX0sogTWEW/qVzEvzv12hmWdB8owZp3PRh+V1 7AXGdqpZQBSS7dHXY+Hz07jfSXZ0ndTovZdBa9ShI6EbeoL8upMUm1QPeLgAg3CFpb8LuNl5SW4/ Kur7Lvw2al9vl5NGGSDn74Z0Vuwf5hkaRallnA==
- 320201807121e418971eca64718bac81719575093b6