It seems you are not using the mobile version? Which one you use the Linux version or the Macbook version?

Because if you  downloaded this directly from playstore you should be able to see  users reviews.

Currently based on some reviews it seems the wallet have some bugs the app freezes on some parts related to UI.
However, it seems it was fixed because there's a new version release just recently.
Overall reviews gives the app 4.6 ratings.