mobile apps, whre they tell you, that you can mine bitocin through mobile are basically full of shit... 
Only viable apps for crypto are from the hosting centers, where you can manage your miners etc.
The only way to make money in mining is to have a location with cheap electricity and mine the coins yourself.Only viable apps for crypto are from the hosting centers, where you can manage your miners etc.
In other cases, either the data center will cheat or the application will pay you very little.