Yeah, there are a handful of choices in there :3 Not loads, since it's a microgame made for O2A2 jam, but I made a walkthrough/endings guide if that's any help :D
https://melancholy-marionette.itch.io/the-hostage/devlog/567737/walkthrough-guide
[Slight Spoiler Below]
If you didn't encounter a single choice, though, it sounds like maybe you didn’t make it past the first fake title screen... if so, you wouldn't be the only one >.< Some players have not realised it's fake, and so force closed the game thinking it was over before attempting to click any of the UI.
You have to click certain parts of the UI to proceed to the next segment of the game :3
I could be wrong cos it's been quite some time since I made this, but as far as I can remember, there are no choices in the first segment.
There is also the possibility that it bugged out somehow, because games can be silly like that x3 haha.
Anyways, hopefully the guide I linked is of some help ^-^
Thanks so much for checking out the lil game! <3
Edit:
Also, the Director's Cut version contains 1 more ending than the jam version!
The jam version is mainly there for posterity. While the Director's Cut is the version I intend for anyone to download :3