hey, have to point out that there is no way to open the menu on Android, which means no way to save so it's pretty pointless as of now, (also tried running the PC version on Joyplay but that didn't work...)
"I was concerned that my audience might just want to skip straight to the H-scenes", not that saying this helps, but I'm the kind to rush through the H-scenes since I'm more interested in the relationship development of the characters xD
in short: install joiplay and it will create a folder in your phone, then download and extract the .zip into that folder, enter joiplay and press the pluss button (bottom-right) to add the game. not to be rude, but it should be easy to find a more complete tutorial on YouTube.