The PS4 must be jailbroken in order to use the menu when you are done building. The menu is only used in offline story mode only. I strongly suggest using the free mod menu base used in the video as anywhere else you download one may not be safe. This is a full free tutorial to compile a GrandTheftAutoFive payload mod menu.
If you ever wanted to learn how to code a GTA V mod menu on PlayStation 4 using Visual Studios this video is perfect. The mod menu base used is mine and free to use if small credit is given.
I will cover how to create your own GTA 5 1.38 PS4 9.00 mod menu using Ubuntu. Following the PS4 GTA V SPRX 1.38 by Mizdx with Demo, in this video I'll be showing you how to make a GTA 5 PS4 Payload Mod Menu for use with PS4 9.00 Jailbroken consoles.