You can change it in the view option in kodi. There are selections like sport, cartoons, entertainment or all channels just like you mentioned no need to ad to favorites. And yes the audio does come through a few seconds later than video
We had a similar discussion earlier in this fomur, why not do a fully customizable skin for parents like eon nox where you can add dstv to the menu items with OD content as sub menu items. You can even display OD content in ribbon with DVD cases I think you can ad 2 ribbons eg like movies and TV...