there is no secret entrance
There are four: yellow on Yoshi Island, green in the cave secret entrance in Donut Land, red in Vanilla Dome 2's secret entrance, and blue in the Forest lake stage's secret entrance.
The island after Super Power Island was Spy Island.
Ratman is on Super Power Island. There is a large rat in the sewer entrance to the factory on 24 Carrot Island (climb up into the bypass pipe to elude him).
No, there is no "super strength" on super power island glad to help :D
The subway is Downtown on Super Power Island.
There are no cheats in super power Island.
Go as far as you can to your right in Super Power Island.
Yes, that is how I completed super power island!
you can't get speed on super power island
There are 6 villains to defeat on Super Power Island.
The force shield is not an item on Super Power Island
Spy Island