And you create Presets in Lr-CLassic: Repeating words from Sahil-
"..presets do not sync from Lightroom Classic CC to Lightroom CC for mobile, but they do sync between Lightroom CC desktop and Lightroom CC for mobile."
So you need to install and open Lightroom (Cloud based) on the desktop Lr-Classic computer, which will then read the Develop Presets created in Lr-Classic and sync them to all Lightroom-mobile versions.
If you only use the 'Mobile' versions of Lightroom (including Lightroom-Desktop)-
The screen-clip in the original post shows that the Presets are being 'Managed' and appear all switched [off]. You also may have 'User' presets switched off in 'Manage'. Check this out!
My Lr-Desktop shows this dialog to 'Manage' presets-
Sorry but I have tried everything and my presets are not showing up on mobile lightroom app. It does on the cloud basic lightroom. I can't even see the user preset folder with any local preset. Just see the default presets. Trial will expire within 3 days and if this not work jt doesn't make sense to continue