Everyone loves playing SNAP between the sofa and bathroom, and while mobile apps are heavily restricted by their operating systems we have developed a Companion App for Android. You can download it from this link or from the Google Play Store. Those said restrictions prevent us from offering a live deck tracker overlay right now. However, we do support collection uploading and match stats tracking.
Make sure you start the Android Companion app when playing Marvel Snap, if it's not running, we won't be able to track your games. You can set up a shortcut that opens the Companion app and Marvel Snap all at once so you never forget!
Unfortunately, iOS has many more barriers and we can't offer an equivalent app for the time being.