The folder includes the game, a .mfa file, and the logo.
This is just little demo, it includes a short level of Sky Sanctuary Zone.
There are 4 characters in the game: Classic Sonic, Modern Sonic, Blaze and Lilac.
With these buttons can switch characters in-game:
0 - Classic Sonic
1 - Blaze
2 - Modern Sonic
4 - Lilac
The story is gonna be like this:
The Phantom Ruby wasn't destroyed, and it opened several portals to dimensions, which are the Sol Dimension, Mania Dimension and Avalice. The Phantom Ruby made contact with the Chaos Emeralds, the Sol Emeralds and the Kingdom Stone, and created a powerful creature which wasn't seen before. Modern Sonic has to team up with his old friends, Classic Sonic, Blaze and a new friend, Lilac to stop the creature, and destroy the Phantom Ruby once and for all.