maybe the app could have a gui to name the buttons and link to a sound?
Here are a bunch of price is right sounds
http://www.qwizx.com/gssfx/usa/price.htm
Here is the losing sound
http://www.qwizx.com/gssfx/usa/tpirhorns.wav
edit, here is a link with a bunch more, they have mp3 format also
http://wavcentral.com/tv/price_is_right3.html