You can order a Shell Go+ card and key fob via the Shell Go+ website www.goplus.shell.com, it is not possible via the app.
To order a card and key fob, please register your Shell Go+ account via the Shell app or online, then following the instructions below:
Log into your Shell Go+ account online via www.goplus.shell.com
Click on 'Order your card and key fob'
Complete the online form and press submit
Once you have submitted your online form, your card and key fob may take up to 14 days to arrive.