Oauth2 with parameter --mobile-server

I am trying to implement multi-login with facebook, google etc that works all fine in de desktop webversion but if i try to use it with andriod a get a dump oauth2 not implemented yet can anybbody explain what this ? or show/explain a workaround i would be great full. If is to crazu for words i have to disable all my oauth2 setting in the project and only can use a simple user ligin with password. So i don know how to solve this.

tx Eric