What is the Snake Classic Retro game, how does it work?

According to the introduction of Mawges, Snake Classic Retro is a Board game on the Android platform. There is currently a 1.0.3 version released on May 09, 2015, you can see the details below.

Retro-style classic snake. One of the old games that you will never forget.
Classic snake with classic gameplay, just eat, grow and have fun!
Also this one is the best pixel-retro snake with unique features:
★ True retro-looking elements to make you feel classic old games climate
★ You can customize your snake console emulator with your own colors.
★ 4 types of controls (pad layouts for controlling snake).
★ 10 difficulty levels affecting snake speed.
★ Big snake moving area.
★ Online achievements and leaderboard.

Controls and colors are changed in settings menu.
Enjoy classic snake with a bit of refreshment!

Ads:
May be easily ignored if you don't want to support this app.
They appear in menu.

Cutout fill.
Leaderboard update.
Minor fixes.