Several users have problems to open the Knab app, wich you can download from Aurora store.
ABN, Rabobank, ING and others works fine, but when i want to open the Knab app, you see een error that the link wont open.
I was hoping to test this Knab but I guess it’s not available in the U.S. or something.
If one is rooted one could use something like MatLog to record a log and see why an app crashes or doesn’t run. More than likely the app needs something that the OS doesn’t provide (Google Services f.i.) maybe.
For your information, my problem does not seem related to yours (LinkedIn works again, my bank app would not open with the keyboard I had set as default (??), and GMail still doesn’t work but I don’t really care and I suppose it is not related).
For your app, I see that it indeed has dependencies on ‘Services Google Play’, but that’s also the case of other banking app that do work. It is possible that some technologies of Services Google Play that are required for your app are not yet functioning in MicroG, but I don’t know much about it.