You can share items you like with other people through iOS' native share function.

Tapping on the "..." in the roOomy app brings up the share function.  

For example like so:

From here you can share automatically with different applications, copy the item to your favourite program, and use your favourite applications.

For more information on the Airdrop feature used in roOomy, you can find through the official Apple support page.

How to use AirDrop with your iPhone, iPad, or iPod touch.