Headspace - Meditation made simple. Brilliant things happen in calm minds.
DU Battery Saver - DU Battery Saver, get up to 50% more battery life for your Android phone. Battery Saver learns how you use your phone, then creates smart profiles that match your settings to your needs while getting more life from your battery.
Timeless | Meditation - Personal practice meditation timer with guided instruction and multi-day courses.
Accubattery - Monitor's battery capacity through the use of science
Calm - Calm.com can help you reduce stress and increase calm.
Power Battery - Power Battery, as the most professional battery saver app, could get up about 60% more battery life for Android phones or tablets.