There are some actions that help you on pigg life:

Characters
/panda　･･･　Panda
/nekohebi　･･･　Nekohebi
/heart　･･･　heart
/hirameki　･･･　idea
/angry　･･･　angry
/sad　･･･　sad
/onpu　･･･　fun
/hungry　･･･　fork and spoon
/goo　･･･　stone
/choki　･･･　scissors
/par　･･･　paper
/moya　･･･　confuse

Pigg Action
/suwaru　･･･　sit
/tatsu　･･･　stad
/nem　･･･　sleep
/pita　･･･　stop(same with tab)
/min　･･･　minimum
/big　･･･　grow (only on April Fool's Day)

Screen/Window
/zoomin　･･･ to zoom in
/zoomout　･･･　to zoom out