Below you can find the step by step guide on how you can view Room Manager as desktop site.
GOOGLE CHROME:
1) Login to Room Manager via Chrome on your mobile
2) Tap the Menu icon at the top right corner
3) Tick the "Desktop Site" box
MOZILLA FIREFOX
1) Login to Room Manager via Firefox on your mobile
2) Tap the Menu icon at the top right corner
3) Tick the "Request Desktop Site" box
SAFARI (on iPhone/iPad running iOS13)
1) Login to Room Manager via Safari browser
2) Tap the "aA" icon in the top-left corner of the screen to reveal the Website View menu.
3) Select "Request Desktop Website" from the dropdown menu.
SAFARI (on iPhone/iPad running iOS12 and below)
1) Login to Room Manager via Safari browser
2) Tap and hold on the “Refresh” button next to the URL bar.
3) Tap the "Request Desktop Site" option