The only time I switch to mobile is when I've saved some green packs and want to burn through them wit some training - although I wish the Focus thing worked for 100% of sp gained, so I only do it when I'm OK about general increase rather than specifically increasing 1 of Att etc only.

I think I'd actually quite like it on my mobile if it was a better mobile but the old one one my team is linked to can't cope very well with the app.