PiPO M9 - Manual (Page 21)

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c. c. c. c. Connect the tablet to your TV via HDMI cable, and wait for a few seconds
for your TV set to receive signal.
You can also operate on your tablet while HDMI connected..
6.3 6.3 6.3 6.3 Gallery Gallery Gallery Gallery
You can view, show off, and even edit your digital pictures on the
tablet’s full color, high-resolution display. After loading your media,
tap Gallery to display your pictures:
Tap the picture you want to display it, and slide right or left to show
other pictures.
Tap the menu icon, you can edit, rotate, crop, or set it as wallpaper.