Storage [Q] which otg cables / devices do work?

Hey Guys,

i wasn't able to find an answer, maybe you can tell me:
which otg devices are supportet by our photon q? i bought a simple otg adapter, but i thought about buying an otg with power supply or an otg card reader + usb device. ive seen some devices with hdmi and more, but those seem to work only with MHL devices.

please tell me what you know


those are some of the devices i mean: