SabrinaF

My forever love, Naruto Uzumaki

Thank you very much for this reference. It explains everything properly. It can be used to progress of available vaccines

Quite a few Western developers will have android versions of their games available, because if they work with either Ren'Py or Unity game engines it's really easy to port to Android. They might not be on the Play Store though, as google can be even more prudish than Steam was in the past, banning people for random reasons (like a little bit of cleavage in cover art). So you might need to find apk files on Itch.io or developer's sites, for manual install... I'm not sure it will be very helpful, but you can browse android releases of VNs available in English here. You'll find a lot of small, freeware games, a lot of mobile cash-grabs and very few mainstream titles among them – major visual novel publishers didn't have much success bringing their catalogues to Android yet, which I like 100% put on their marketing ineptitude.

A while back there was a serious effort to get more VNs to work on Android. Way back in 2013 actually, I would recommend reading this thread: Android Visual Novel [Let's play visual novel on the go!]. However a more up to date thread from 2018 goes over it a bit, and most people in that thread don't seem to recommend it. If on the off chance you can read Japanese, there are some high profile VNs you can get on the Play Store. I'm pretty sure KEY has some of its VNs on it. They may be in English, but I'm pretty sure they are Japanese only for now, might be worth at least checking to confirm for sure.
I think Katawa Shoujo might also have a port for Android. Which is a VN I would highly recommend.