Well, it IS ancient encryption designed for low-power devices with almost no
resources, that's true legacy software for you. =p
If by "tracking device" you mean that it connects to cell towers and thus
inherently gives away your rough position.. Eh... Yeah? That's how phones
work. As for backdoors, yes, there probably are some.
So essentially.. If I mighty paraphrase here. No real point in running
Replicant, you're screwed by default regardless, might as well enjoy all them
cool games and stuff on them cool app stores.
..What? If you're gonna get tracked like a dog anyway, might as well get some
amusement out of it. x)