In my website there are alot of file such as: file jar , apk , jad , ipa . zip . . . all of these mean that file .
so when you want to download some file support with your Device you can look at countinue

file: jar.jad for Nokia

file: apk for android

file: ipa for iphone . ipad , ipod

file : zip for pc

Thank you for your reading and understant
this is a little knowledg from bragula to tell you