Both on Web and Android (etc). Would be great to just show today, (say Monday), then select Next or pick Friday to jump. Say via a dropdown selection box. I'd rate this is high priority, at least compared to the other one(s) I'm about to add.
Could help performance as the My Week page is 'heavy' as there's lotsa data loaded in the background (I think!). Maybe load today only, then - a bit later, grab tomorrow's data etc.