you do it good!
It is a PS2 portable which means good graphics, it is portable(obvious), It has internet on it, and you can plug it into a PS3 and play PSP games.
A psp ( play station portable )
PlayStation Portable
So it can be portable hence the name: Play Station Portable
no
It would depend on what kind of portable player. Many portable can play CD and DVD. If it had the function to let you play music than .mp3 are the most common format.
GPX has a good portable karaoke system that is ideal for parties.
No, Sony portable radio players don't have CD players built in them and cannot play CDs. Sony does make CD radio players, but they are not marketed as portable.
I brought my portable television set with me on the airplane.
Yes there are portable CD players that also play cassettes, but are only found in boombox styles.
Emerson makes some good portable models including the RP6251 with a weather radio.