If you mean the Use button for your items, then you have to go to the top right hand corner. Mouse over the different buttons until you find the one that says items. It will display all the different items you have and then you can click use under the items.
you click the use button
press the space button and jump
You click on the button use and then you call 911 and you will be a police officer.
go to your items and click the use button on it
the green button is the button
the items button is in the top right hand corner near the map and stuff.
just use the phone and press 5556789 then the green button.
so you can observe things
You can disconnect from Poptropica by closing your browser, or by using the "save and exit" button at the bottom right of the window.
Dont do anything
to get the capsule out you need to press the yellow button
at the bottom of the screen on the right.