Hey Reza,

I am trying to follow the same but it seems for choices column in dataverse for teams, the filter gallery doesn't work the way it is doing it in make.powerapp.com

 

have a look here.. 

https://powerusers.microsoft.com/t5/Building-Power-Apps/Filter-gallery-based-on-a-choices-type-column-in-dataverse-for/m-p/924919#M293497

 

Thanks for uploading videos. they are always awesome.