Thank you Thomas! the switch on the third level will open the two gates where the other two froglets hides Bru ^_^Y
"Short fun little Game" -- Yeah man it's short due to the one month time frame limitation from the challenges I posted on your thread that I like puzzle games, I will try to create at least 20 levels with some puzzle twist for the player to find the froglets and hopefully an Android release.
From the installation there is a ZGDK.dll in the directory that i've used in making all of my games it's actually ZGDK-MG stand for Z-Game Development Kit for MonoGame.
I'm currently in the process of creating a place holder editor for ZGDK :