He's using shorter shorts to show his quads just enough so that everyone can see his leg development, but not too short so he can hide his lack of balls and small penis. In addition to all that he's not using socks with those sneakers and is sitting/leaning/standing with his legs crossed like that to bring out his feminine side.
I think he knows what he's doing (and trends of fashion). You don't wear long socks with trendy sneakers (isnt that Vibrams tho'?) and you have to bring out your feminine side to not look too threatening, you know, like holding a teddy bear if you have a mug of a serial killer, to "soften" things up.
And he's probably not using the phone, just holding, to show the sitriated tris.
