Thanks for the kind comments!
About your suggestions:
1. More Sounds
I agree. The sound support is a bit basic now, and I will enhance this part in the future for sure. The main thing I have to resolve is to keep everything easy to use, even with multiple songs.
2. Multiples presentations
Yes, again, I agree. I will try to add it as soon as possible.
By the way, I am working on a Powerpoint Import/Export that may help in this case. (But it will be available only in the upcoming “Pro Version”).
Anyway, thanks for your feedback: It helps me a lot to enhance Slide Effect the right way.