Use APKPure App
Get MediaWiki Passwordless Login old version APK for Android
Login to a MediaWiki site without typing in your password.
With this app you can login to your MediaWiki wikis wihtout needing to enter your password. Once you've registered your device with a MediaWiki wiki you can login simply by confirming your login on your smartphone.
See https://www.mediawiki.org/wiki/Extension:PasswordlessLogin for more information.