Is as much android as BB10, in fact have a lot in common with Blackberry 10 like the user interface or being based on QT/QML for native apps.
If you want, is a maemo/meego fork, with a compatibility layer to run Android apps, and won't be surprised if it runs also Firefox OS, Tizen and Ubuntu Touch apps in some moment.
If you want, is a maemo/meego fork, with a compatibility layer to run Android apps, and won't be surprised if it runs also Firefox OS, Tizen and Ubuntu Touch apps in some moment.