Beta testers of new Android app

We are looking for beta testers of our new Android app.
What you will have to do?
1. Provide us your gmail, so we can add you in a test group
2. Install the app
3. Be active in a app daily for at least 3 mins for a 14 days.
4. Leave a review in a app page during testing period.
All actions have to be made to complete the task.
We need at least 20 testers for this job.
I'd prefer one executor to provide us multiply accounts for the task. Price is per one account.