Yes Android kernel, with some patches. These links might be useful: https://sturmflut.github.io/ubuntu/bq/2015/07/02/hacking-the-bq-part-4-building-and-bootin

Yes Android kernel, with some patches. These links might be useful: https://sturmflut.github.io/ubuntu/bq/2015/07/02/hacking-the-bq-part-4-building-and-booting-a-kernel/ https://sturmflut.github.io/ubuntu/bq/2015/07/02/hacking-the... https://github.com/bq/aquaris-E4.5/tree/aquaris-E4.5-ubuntu-master https://github.com/bq/aquaris-E4.5/tree/aquaris-E4.5-ubuntu-...