MARINER is an Ocean Protocol explorer for Android.
It is available on the Google Play Store: https://play.google.com/store/apps/details?id=dev.simonmezgec.mariner
You can read more about MARINER here: https://medium.com/@simon.mezgec/building-mariner-f66e50fa5053
The keystore file, keys, aliases and passwords used to create and sign the release install file are edited out of the code. The code can still be used to generate a debug version of the app, otherwise new keystore information needs to be provided.