Google will no longer allow cryptocurrency mining apps on the Android Play StoreEarlier this year, the search engine giant banned crypto mining extensions from the Chrome Web Store, including the ones that were solely focused on mining. In addition, Google updated its Financial Services Policy last month prohibiting ads relating to Cryptocurrencies and related content (including but not limited to initial coin offerings, cryptocurrency exchanges, cryptocurrency wallets, and cryptocurrency trading advice).
The recently updated Play Store developer policy states:
We dont allow apps that mine cryptocurrency on devices. We permit apps that remotely manage the mining of cryptocurrency.
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https://news.bitzamp.com/google-play-officially-bans-cryptocurrency-miners/ First and Foremost i dont even believe into those apps that claims to mine crypto on your own device because i do usually see these stuffs over my feed specially on crypto-related groups on Facebook or on other medium.
If they do then its a total fraud or just they are being used up by the app creator itself. Good thing that they do make such ban to prevent people on falling into things that really dont work at all on the very first place and just totally harming their devices itself.