ARDUINO POWERED KEYPAD WITH LCD SCREEN

Hi dear friends i wonder if it would be possible to make this project
ARDUINO Control centre and lcd screen conected to a key pad, or better a android tablet to take the commands and operations the plasma scren would take touch imput for commands aninsted of having a keypad the andriod has a sd slot for larger memory, this in turn would be connected to one part of the ignition system giving you a touch pad ignition push button start this can also act as a great anti theft device and imobiliser hope some one can help me im determined to build it
thank you all