Greetings everyone, I have a smart watch - Finow x5,

Greetings everyone, I have a smart watch - Finow x5, if it was someone kind enough to explain what I need to install in a mobile phone and what the smart watch that I could take this beautiful wallpaper, thank you

I’ve installed and logged in to https://www.manageengine.com/ but do not know what to do, I did not really know much with a computer and programs, and you probably think I’m dumb, but I do not know what to I’m working