The app is Ember Fund and in this app you can earn Satoshis by mining only using you smartphone.

Register free at »»» https://emberfund.onelink.me/ljTI/bce33290/?mining_referrer_id=MNGVTYDI9RG

Once your account is active you can start mining Bitcoin immediately by clicking on the “START EARNING BITCOIN” button that appears on the home screen.

At first you will start earning “1 Satoshi per hour”, but you can increase this ratio by inviting friends and doing other tasks in the app.

It should also be noted that you will have to restart mining daily as soon as the timer reaches ZERO and to do this you just need to open the app and click on the “START EARNING BITCOIN” button.