Mario & Sonic: Legend of Seven Stars and Emerald, Which of Sonic found out Eggman been planning to ruin Mario's World.

Plot: Legend of Seven Stars and Emeralds, if so Seven Stars is so powerful stars in Mario's World..a place who lived in..called Star Heaven....In Sonic World, Tails come to warn Sonic to stop Eggman..but, he's too late to stop Eggman..but, seven emeralds seem lost in any islands..Now, they meet each other once again to save Seven Stars and Emeralds from whoever villains.

Update: When I have free time to update.