DislikedWell,
I have posted a lot of posts regarding options other than PC, for MT4 work.
esp. mobile phones and tablets etc. (Kindly search On FF regarding those threads). They contain a lot of info based on experience.
Currently, i use Newly Launched MT4 for android app on this 7incher HTC FLYER Android Tab (cum earphone-less phone). The app only allows built in default indi's of course.
http://www.gsmarena.com/htc_flyer-3829.php
http://www.htc.com/www/tablets/htc-flyer/
I also use 2 Remote Desktop Apps for...Ignored