This app turns your smartphone into a bubble level (spirit level). With 4 different viewing options, this level can calibrate with all 4 sides as well as show the angle and slope in percentage or roof pitch. Comes with several sound effects and orientation locking. Bubble level works with: Samsung Galaxy, HTC, Motorola, Xiaomi, Huawei and Sony. https://hotandroidappsandtools.com/legal/privacy/pocketbubblelevel https://hotandroidappsandtools.com/legal/terms/pocketbubblelevel