I have bought Minecraft on my computer and is it possible to get the phone version with it...

You would have to purchase the phone version.

Hi Automnmenber

Unfortunately, it isn't possible. You would need to purchase the game depending on the Store platform you're into.

I would so get the PC version if my computer wasn't busted. But that is good to hear first thing I do when I get my computer fixed will be to buy Minecraft.

My name is Fernando I'm an independent consultant, I'm happy to help

Minecraft has two different versions for computers: Bedrock Edition: Available for Windows 10 or higher, game consoles and cell phones; Java Edition: Available for macOS, Linux and earlier versions of Windows. Since the Java Edition only supports Windows, macOS and Linux, you can only play with others on traditional computers. On the other hand, Windows 10 Edition is based on Bedrock Edition which is also used for mobile and console versions of the game. This makes it possible to play with players on those platforms.

Hope I helped and see you soon

using my cell phone

You used your cell phone and didn't buy them on the Xbox?

It's possible that you bought VBucks for the mobile version (cell phone version) of Fortnite.

The most reliable way to load VBucks onto an Xbox is by doing it from the Xbox itself.