"But ultimately, they aim to do away with the need to download dedicated apps, to encourage the practice."

By 'ultimately' they mean 'immediately' and by 'do away with' they mean create brand new' and by 'encourage' they mean 'enforce at all times without choice'.

Coronavirus: Apple and Google team up to contact trace Covid-19 - BBC News
https://www.bbc.co.uk/news/technology-52246319