And do you really think the app stores will allow the app? Lol.

Exactly. Some platforms make it difficult or impossible (at least for the non-tech-savvy) to install apps sourced from outside the official app store.

And if the app stores DO allow the app, even if it requires no permissions, installing it on your device permanently connects your political affiliation to your device account. Uninstalling the app won't delete that record. Given the current political climate, many may not be comfortable with that.