After a lot of research, I finally found a way to get Power Boot (Lift Gate) and Remote Start FOB working.
You first need to purchase and install the remote start kit :
Remote Start, Same as Production - 82213881 | Mopar
(for vehicles built before 7/15/2013)
Remote Start, Same as Production - 82214097 | Mopar
(for vehicles built after 7/15/2013)
You will receive TWO fobs with remote start but WITHOUT the power boot option. It is essential that you get this kit because it contains the remote start mechanism which export SRTs do not have (as far as I know).
I got mine from the service center directly to avoid a headache, it was 82214097. Please note that the fobs come without keys in them.
Then head to justforjeeps.com and purchase 2014-2015 WK2 Key Fob Transmitter #14WK2Fob
Item # 68143505AB - With Remote Start & With Power Liftgate (Pictured).
You will get ONE fob with all buttons, but it needs a service dealer's scan tool to activate it. Please note that the fob comes without a key in it.
Take the fob to a service dealer that has such a tool and let them program the fob to your SRT. After that, you're all done. Enjoy your new fob with all options like the US version, it baffles me how our SRTs don't come with all buttons by default.
Left fob comes with the remote start kit, the fob on the right is the one I purchased from justforjeeps.