So why did you buy it then? There are plenty of other phones which can do this, pretty much any moden Android phone will do. And Samsung phones even have "desktop mode" (DEX) which give a desktop experience.
This is like complaining: "my tractor has 600 HP and yet it cannot even reach 80MPH. Very sad.", or "My Ferrari has 600 HP, why can't it tow that 30 ton trailer. What kind of future is this?"
The iPhone is capable of playing plenty of mobile games downloaded through the app store, but can't play a mobile game that came through some other channel, so the closer analogy is "my Ferrari has 600hp and can go 200mph down interstate A/B/C, since they were inspected by Ferrari, but is prevented from driving on interstates D through Z because they didn't jump through the hoops to get inspected by Ferrari".
This is like complaining: "my tractor has 600 HP and yet it cannot even reach 80MPH. Very sad.", or "My Ferrari has 600 HP, why can't it tow that 30 ton trailer. What kind of future is this?"