Disclosed herein are mobile electronic devices utilizing reconfigurable processing techniques to enable higher speed applications with lowered power consumption for, inter alia, increased device battery life. The techniques disclosed herein enable greatly enhanced compression/decompression as well as encryption and decryption functionality to be provided in addition to overall greater processing capability particularly in those applications wherein minimization of power consumption is desired. Package-on-package and other assembly techniques may be used to provide the reconfigurable processor in a small footprint package.