Aurora UI – Icon Pack v2.0.1Requirements: 4.0.3+Overview: AURORAUI 
…is created by a flat style and the freshness colors with the addition of a long shadow that complements its unique design, the flat shadow design.

The circular shape, typical of the design of Google, ... http://www.apkformod.com/aurora-ui-icon-pack-v2-0-1/