New autologin functionality in Mendix 6.7.0 - how does this work?

I would love to test this new feature so I:

• upgraded my project to 6.7.0 and
• commit generated a new mobile
• phonegap package build it with
• phonegap deployed the app to the
• mendixcloud set the 2 custom settings as stated in the release notes:
• com.mendix.webui.HybridAppLoginSecret and com.mendix.webui.HybridAppLoginTimeOut.

1. I can log in the app,
2. Killed the app,
3. Started again and I need to login again..

do I missing something in configuration? anyone got this working? plz let me know here!

ow and where do I setup the PIN feature?