Phones just don't have the processing power to compete with dedicated mining rigs. Cloud mining is the advertised solution...
So What is Cloud Based Mining?
Think of it like renting a plot of land in a gold mine. You don't do the digging yourself, but you get a share of the gold based on the size of your plot (rented hash power).
Is it Worth it?
While not a guaranteed income source, you can potentially earn small amounts of (type of cryptocurrency) over time. The amount depends on your activity level within the app.
What to Watch Out For :
Be cautious of in-app purchases or features that promise faster earnings. These might not be worthwhile.
Overall its is a decent option to learn about cryptocurrency and potentially earn a small amount. However, it's not a replacement for a real job and treat it more as a hobby or learning experience.