Mark Shuttleworth revealed that Canonical has developed a touchscreen based version of Ubuntu OS. Ubuntu for phone was made specifically for both high end and budget smartphones.
System requirements for Entry level Ubuntu smartphone:
Processor architecture – 1Ghz Cortex A9
Memory – 512MB
Flash storage – 4 to 8GB eMMC + SD
System requirements for High-end Ubuntu superphone:
Processor architecture – Quad-core A9 or Intel Atom
Memory – Min 1GB
Flash storage – Min 32GB eMMC + SD