TestPatternGeneTrial is a free app you can try your TestPatternGene paid version.
Pattern configuration is equivalent to the paid version TestPatternGene, contains the watermark on the screen.
From the HDMI terminal of the device, please use to check the output to a video monitor.
Operation is very simple. By the flick operations displays the next test pattern.
Android3.0 or later recommended
*There is no guarantee about the accuracy of the broadcast equipment. (Display quality depends on the device)
Note; This app requires a lot of system memory.
When many apps running, you may be unable to start due to insufficient memory.
Please use in an environment where no other applications are running.