It should be available in following days in the iOs app Store too (please, note that it may take up to a week).
- Courses with guest access enabled can be found and accessed using the search option in the app (requires the Moodle Mobile additional features plugin)
- Participants option is not shown if the user doesn't have permission to view the participants list in a course
- Site home section displays the main topic section first
- The Cordova File API has been implemented; you can use the file system now via a browser
- Support fixed URL in config.json
Complete release notes here: https://docs.moodle.org/dev/Moodle_Mobile_2.7_release_notes