Time spent

1. Setup project and set setting (lint, prettier and so on.) - 1.5h
2. Add basic UI - 3.5h
3. Add redux environment (reducers, actions, epics) - 1h
4. Add Contacts logic - 2.5h
5. Add iOS icons and launch screen - 1h
6. Add Android icons - 0.5h
7. Adopt application for Android - 1h
8. Add jest utils tests - 0.5h

Notes

Snapshot components jest tests omitted, didn't start from the box, need some more investigation.