This app was mentioned in 3 comments, with an average of 2.00 upvotes
One of the apps I had already installed on my phone seems to have that functionality, as the app(widget?) on my watch only states "control your presentations from your watch"
https://play.google.com/store/apps/details?id=com.mobisystems.editor.office_with_reg
I really have no use for such a function, but I'll assemble a PP presentation to test it if you want...
try OfficeSuite Pro, been using it for years with no complaints https://play.google.com/store/apps/details?id=com.mobisystems.editor.office_with_reg&hl=en