Gravija.
Dark theme with subtle gradient vector.

Requirements:
- Android 7.1.1 with OMS support
- Substratum app is installed

Themed Apps:
- Android Framework
- Browser
- Calculator
- Camera
- Calendar AOSP
- CellBroadcast
- Chrome
- Contacts
- cLock
- DeskClock
- Dialer
- DocumentsUI / Files
- Development
- DU About
- Gallery
- Gmail
- Google App
- Google Contacts
- Google Clock
- Google Dialer
- Google Drive
- Google Hangout
- Google Keep
- Google Messenger
- Google Photos
- Google PlayStore
- Google PlayConsole
- Google Play Services
- Google Plus
- Google Wallpaper
- Inbox
- Keyboard aosp
- Launcher3
- NavBars
- Settings
- Substratum
- SuperSU
- superuser
- SystemUI
- Telecom
- WhatsApp
and more to come.

Notes:
_This theme works without TBO ThemeReady gapps._

Bugs Report:
Feel free to email me to report bugs however if possible with detailed logs and how to reproduce it. The address is available at developer email or telegram (@pierera) or you may use this community to report bugs or suggestion.
https://plus.google.com/u/0/communities/115125731758765813523

More Info:
Substratum Theme Engine
https://play.google.com/store/apps/details?id=projekt.substratum

Substratum Community on G+
https://plus.google.com/u/0/communities/102261717366580091389