Its branding exercise. The "City" brand is marketed across the world like this, without relying on pre season friendlies, instead giving the brand constant exposure in these markets.
All this leads to increased exposure for Manchester City, because when you see the words "City Group" or one of those clubs you immediately think Manchester CIty. (by this I mean the people in those markets)
This is the whole point of this.
Soriano wanted to do this with Barca, but was denied.
The fact that many still don't have a clue about the point of CFG, just shows how far ahead of time our execs