If you're looking to Download Seesharp ePoster on your Chromebook laptop Then read the following guideline.

Seesharp ePoster iOS client simplify the control of the ePoster LED display. Features: ● Communicate with the LED display over WiFi, using a WiFi router or LED display's built-in WiFi ● List all ePoster LED displays in one screen ● Change the name of the display so it's easy to remember and identify ● Adjust brightness ● Change the playing program ● Add/Delete Picture or Video program ● Image zoom and crop feature makes program creation easy ● Change the HDMI input resolution (EDID) ● Change the content horizontal and vertical offset ● Adjust color temperature ● Switch to test mode ● Restore to factory default state