The Kobo Libra 2 and the Tolino Vision 6 are the same ereader hardware but the Tolino is running an open source android build and the Kobo is not. Would it be
Tolino Shine 3: take a full backup | Mx17 blog
GitHub - Ryogo-Z/tolino_ntx_6sl_twrp: TWRP for Tolino eInk readers
Tolino shine 3 eBook reader 15.2 cm (6 inch) Black | Conrad.com
Tolino Shine 3: take a full backup | Mx17 blog
Own ads on a Tolino e-reader
GitHub - philipp-birkl/tolino-shine-fw_10.5.0: Rooted & ADB'd Tolino Shine version 10.5.0