Reminded me a little of Ape Escape for PS1, which was always fun. I thought the control scheme was great, and enjoyed the little chase sequences where a frog would repeatedly just about manage to get away from my net as I was swinging it :)
There was a nice variety in environments, although with no indicator of direction finding the next frog was sometimes tricky in the larger maps with the time limit. Would have been nice to have a sprint button too - the movement speed was perfect for precision, but made searching take a while.
I liked the range of music you put together too