Okay, so I finally got my hands on this arVin controller after watching like 20 YouTube reviews. Here's the real tea:
First off - the HALL EFFECT sticks are LEGIT. No more joystick drift nightmares! The triggers feel buttery smooth with that 0.1mm precision. Playing COD Mobile feels like cheating (in a good way).
Pro tip: The manual's pairing instructions are trash. For Android, power off then hold X before pressing power button - instant yellow light mode. Took me 3 rage quits to figure this out.
The stretchy design? Genius. Fits my chonky iPad Pro 13" with case still on. No more naked tablet anxiety. Though at max extension, it does feel like it's doing yoga - stable but makes me nervous.
RGB lights go brrrrr. Not gonna lie, I spent 15 minutes just cycling through colors before actually gaming. The turbo function slaps in racing games - 25 shots/sec goes hard in Asphalt 9.
Downsides? Right joystick pops off if you death grip it. And the ABXY buttons could be more clicky. But for half the price of a Backbone? Absolute steal.
Final verdict: If you game on tablet/phone, this is the way. Just don't pay full price - AliExpress has it cheaper (but prepare to wait 2 weeks).