[Free ]Dark Material Samsung is out with over 0+ themed apps and a ton of system modifications. It gets you flat and nicely designed Interface. It lets you choose the accent color. In some parts of the interface it even has a super cool background design. It also supports a bunch of third-party application.

You must be rooted and have the Substratum installed (get it here: https://play.google.com/store/apps/details?id=projekt.substratum).
or
Substratum Lite installed (get it here: https://play.google.com/store/apps/details?id=projekt.substratum.lite).

This Theme also Support Synergy Theme Complier(get it here: https://play.google.com/store/apps/details?id=projekt.samsung.theme.compiler)

Non Rooted user need to install Andromeda on their device (get it here: https://play.google.com/store/apps/details?id=projekt.andromeda).

This is Free Version of Dark Material Samsung
we suggest you to install the full version to experience the full theme (get it here: https://play.google.com/store/apps/details?id=sammy.dark.material).

Support group for any queries and app requests :-
https://t.me/joinchat/ADq1_UPUuzDCTXogRGvA6Q

OPTIONS WITHIN THE THEME:
49+ Accents
10+ Backgrounds

INSTALLATION INSTRUCTIONS:

1 - Download and Open the Theme
2 - Open Substratum app
3 - Click on Dark Material
4 - Inside Dark Material you can click on the overlays that you would like to install (keep in mind that some apps mainly Android system have different variants to choose from)
5 - Click the floating button down the bottom and select Install
6 - Once that finishes compiling/installing with no errors Restart your Device
7 - Enjoy :)

This Theme is Maintained by Vivek Modi.
Please contact me before posting bad reviews or comments. We both personally can make things better Trust me.
Telegram :-
https://t.me/vivekmodi

Follow in Twitter to get latest Updates
https://twitter.com/vivekmo66781470

Special Thanks to :-

Aditya Gupta : -https://t.me/Aditya_Gupta
Nicholas Chum :- https://t.me/nicholaschum
Fahad Javed :- https://t.me/fahadalijaved
Customworx :- https://t.me/customworx
Char_G :- https://t.me/Char_G
Moelle1 :- https://t.me/moelle1