I emailed HTC about 30 FPS Cap. This is what I got back...
Dear Julian,
I understand the importance of receiving the full range of features a device can provide. Since the HTC EVO 4G employs a unique HDMI output to deliver video in HD quality to an external display, the hardware graphics driver interface on the HTC EVO 4G uses significant resources for the HDMI output and therefore displays graphics at 30 frames per second on the integrated display. This is a hardware limitation, and not software related. We have received reports of a software hack claiming to deliver grater than 30 FPS performance on the HTC EVO 4G; however, after investigating the hack, HTC has determined that the perceived frame rate increase was achieved by allowing data throughput to surpass the capability of the display interface – delivering a higher number on a benchmark test, but at the expense of image quality, which degrades to an unacceptable level as a result of data throughput surpassing the capability of the hardware. I do apologize for any inconvenience that you may have experienced.
I'd rather have a smooth scrolling interface than an HDMI port.
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