In order to download the app, visit the App Store and search for either, 'Virtualboardroom' or 'VBR'.
https://itunes.apple.com/gb/app/virtualboardroom/id1089215796
To update an app to a newer version in the App Store
Launch the App Store and tap on ‘Updates’ (see screenshot below).
This will reveal a list of the apps installed on your iPad.
If there is an update pending, you will see ‘Update’ next to the VBR app, tap on this to install the latest version.
Once installed, this icon will change to ‘Open’ allowing you to launch the app.
Note: These steps are a requirement for a manual update, if your tablet is set for auto-update with wifi enabled, your device will update all your apps automatically.
To update an app to a newer version in the App Store (iOS13)
Launch the app store and tap on the blue profile icon 
, located top right, below.
On the next screen (‘Account’), scroll down to see any outstanding app updates:
Tap ‘Update’ next to the VBR app to install the latest version.