Ionic Capacitor SSO Implementation

I need to implement Single Sign-On (SSO) in my new Ionic Capacitor app for Android using SharedPreferences.

Requirements:
- SSO integration
- Use of SharedPreferences for storing authentication tokens
- Android platform focus, ensuring compatibility and performance

Ideal Skills and Experience:
- Proficiency in Ionic and Capacitor
- Experience with Android development and SharedPreferences
- Knowledge of SSO protocols and authentication mechanisms