StyleFolio’s core is the tray-like shell, with the lid’s material continuing around to the back and covering almost all of the plastic. We received a black vegan leather edition for review, and it could pass for the real thing. To keep the case shut, there’s a plastic ring along the edge of the cover that snaps onto a post jutting from the case itself. What’s missing, however, is an embedded magnet system. Although almost every other folio-style…