I need a Unreal Engine sample

I made a game with Unreal Engine 4.27.
I cannot click the UMG button when running on Samsung Dex.
There’s no plug-ins, samples, documents, q&a for Unreal Engine.

Hi Hong,
Welcome to the Samsung Developer Community.
Please report this issue via contact us of Samsung DeX. Respective team will check this issue at their end.

Thank you,