Yes just like bizdustry is paying us to post and comment on this community ,yes that's just the way we can earn cryptocurrency about from buying it, all those things are cheap scamming strategy.I've already said about it earlier here too just as you've remunerated again. It isn't possible to mine real cryptocurrency using a mobile device, unless you're doing tasks for some websites to generate traffic for them. Then they can decide given you some fraction of coins for your services so far.