Can We Do That?

In an episode three of mister robot, there's this really shady guy, tyrel, and he installs spy ware unlike an employee's phone. And he's able to like, read text and emal messages. Can we do that for sure? There's, there's multiple rogaps that install. So all we have to do is install the the he has an andred phone, so we canjust install the a p k file. This the andred install and then from the what tewatthe a p k files. I o s hasapi files, andred has a pK files. yo, can just download them from the internet and just install em,. not