This app is available on the Play Store, claiming to mine BCH on your phone and get paid for it (it probably doesn't mine at all, since my phone didn't get hot while "mining").

Package name: cryptomoneylabs.com.bitcoincashminer

Version tested: 1.13

The first thing you see when you open the app is a mining dashboard. No account is required to use the app (weird, right?).

Pressing the "Start Mining" button starts the supposed miner. In my phone it shows a hashrate of 20 kH/s (wow!). While the miner runs, your balance starts increasing slowly (veeery slowly...)

The balance page shows your current balance (duh) and a withdraw button. Pressing this button shows a toast telling you that the minimum withdrawal amount is 0.03 BCH. A bit high, I think.

A thing I can't show you (since I didn't took a screenshot) was that it offerered me 0.0005 BCH for rating the app 5 out of 5 on the store. That's really shady.

Ok, after all of this, I can't tell you it's a scam. I can't prove they don't pay. Or can I?

I tried accessing the app files using a root explorer, only to find that your current balance is stored LOCALLY! A preference file holds your current balance, making it extremely easy to modify. As a experiment, I set it to the minimum withdrawal amount.

Restarted the app, and...

WOW! I'm rich! Let's withdraw!

What? Now I need more? Well, let's use the trick again!

Excellent, I'm rich again. Let's withdraw.

Ok I expected that. The app won't let you withdraw, because after reaching the minimum amount, mining stops working, and it asks for more BCH, so it doesn't have to pay you.

Maybe it happened because I modified the app files containing my balance, but overall it looked that the app was fake, since any serious faucet app WON'T STORE YOUR AMOUNT EARNED LOCALLY WHERE IT CAN BE MODIFIED BY THE USER!