What kind of application for Squeak

Hello,

I'm newby by the newbies and red some tutorials across squeak www.
I've heard about smalltalk for a long time but just decided to try it.
I'd like to program a management software for table tennis tournament.
Is it possible to build that with squeak ?
Is it possible to load and run a smalltalk application by a dummy user
without being faced to smalltalk environment ?

Thank you for your help

Pierre