Yes you can buy apps they are from Android so they are pretty decent
download or buy them
yes
apple apps NO
app store
you go to apps and download it
there is no limit
yes. kindle fire
you have to go to app store and find it out
you cant
No, they can not. Each Kindle must download the app individually for it to be installed.
yes! go to apps, and then store... download the one you like
No. The kindle paperwhite does not run the Android OS. Therefore, you cannot download Android apps to the kindle paperwhite.