Processing power and processing speed play a key role in the performance of any application in a device. Processors like NVIDIA TEGRA 4 have already reached speeds ª 1.9 GHz with 72 GPU cores supporting ultra-HD video processing at low power consumption. Current smart phones are equipped with high-resolution lowlatency
front-facing cameras to capture end-user video while the end user is viewing the smartphone screen with pixel densities of 1080p. Display resolution has increased to 1080 ¥ 1920 pixels, 5.0 in (~ 441 ppi pixel density in theSamsung GS4) in mobile phone devices, reducing the impact of resolution loss. There are now megabytes of RAM (ª512 Mbytes) available and also gigabytes (ª 32 Gbytes) of space available in smart phones.