Question: how to install rboy apps?
Answer: Click on the Smart App you want to install, it will open a new window with the code, select the entire page (Ctrl+A) and copy (Ctrl+C)
Click on "My SmartApps"
Paste the code (Ctrl+V) copied from Step 1 into the editor and click "Create"
Click "Publish" and then "For me" on the top right.