You are unsure if is DRM supported on your phone or tablet?
You need to check which DRM plugins are installed on your device?
DRM Info is simple tool, for technicians, developers or common users, that list available DRM plugins, installed on your device like OMA, Widevine, BB, PlayReady ...
Please note, that this tool only shows small info about DRM. Its not possible to install/change those plugins, they are part of your ROM.