I have fond memories of buying those 99 cents songs with coke caps my grandparents collected for me that had codes for itunes on them. Then I'd burn those to a cdrw and rip them again to remove the drm. I still have those files to this day.
It doesn't not come with custom firmware and xteink tried to block it citing hardware issues. Key word is tried and it's still very easy to install custom firmware.
Thanks to the Zio patch I was finally able to convince doctors I actually had a heart condition that I had been telling them I had for years. For about a decade they were telling me my irregular rhythm was due to anxiety.
It technically has one, but the only way to use it was to tap on some various links until you managed to get to a Google search page. It was never intended for actual use outside of Nintendo's curated pages.
I bought the book lights that they sell along with the device and they're perfect for it. They include an adapter so they magnetically attach to the back, or they can clip to the folio.