Only the official version of sm64ex-coop is allowed, which can be found here: https://github.com/djoslin0/sm64ex-coop. The android fork is unofficial.

is dx allowed tho bc it looks like a lot of runs are using dx

(i really want to be able to use livesplit64)

also if it is allowed change the rules to say that it is

u def can tell

yeah of course, dx is the only official version so its the one people are expected to use