My sheet comparing some different approaches I've taken for recording tournament sets: https://docs.google.com/spreadsheets/d/1lO34rbQRMNVSH4PJ--4WnE0ROm5mhqv30bUi1Sh6grQ/edit#gid=0
Currently, my preferred recording style is to Point Propped-up Phone at Screen and do some post-processing to correct the perspective. Post to come on this.