In a recent event of Samsung,they've detailed themselves they'll launch some even higher resolution devices with a new development of 64 Bit processor core.
A display of a smartphone,is what world want to have in their smartphone device and that is what Samsung is famous for.Samsung has planned to launch some high resolution smartphones in the future,and if this remain continuous, we'll have the devices to have the pixel resolution up to 2520x1440 which may reach up to a pixel density of 560ppi.
4K Ultra HD phones will be the next future phone that will launch in year 2015.And if this is true, we'll be looking forward at the devices with the pixel resolution of 3840x2160 pixels.While reading this news, start imagining to have a future smartphone of a pixel density up to 800ppi - Just wow.
Further more,Samsung is also working on their ARM-processor core chip,but that doesn't mean that they'll leave the Qualcomm chip.
We are hoping to live another 100 years to see the world filled with of Android smartphones.