Over the years a lot of the data was moved to their server, these are impossible to cheat. With that said, here's what still works:
-CE speedhack. For sprinting, it glitches for me above 20.
-crusader levels - 4b. This is useful for getting both an insane dps and idols.
-buff duration - double. Note, that it doesn't work for the 30 min reset debuff, that gets reset on zone change.
-spell card quantity - 4b - sort of works, since it may or may not get reset on resets. I recommend using buff duration instead.
-storm rider percentage - double. There are 3 values, of which the first one is persistent, so you can freeze ONLY that, and the other two (and the de facto value, in the background) get updated when you use the ability. Even more potent with the exchange student crusader, and Karen, the loli nekomimi cat teenager (the former doubles the buff effect for the row behind it, the latter absorbs buffs that wouldn't affect it with increased power).
Couldn't test the trainer cheats since I play on steam right now, and I couldn't even load it for that. But you can assume that anything I didn't mention doesn't work anymore. If anybody discovers anything else, please share, although this is more than enough to play at a proper pace, while still having to grind a bunch of stuff.
A note to the devs, if they're reading this: this is not a multiplayer game, so there's no real reason to nerf these. If I can't have storm rider, speed and crusader level hacks, then I'm quitting the game, and I imagine I wouldn't be the only one. So please, let us enjoy the game in our way, we're not hurting anybody.