I have created an android application in Titanium Studio, with some research i found i should be uploading app.apk file under /build/android/bin directory in Google play store to publish the application.
But when i uploaded my app.apk file in Google play store, it showed like below

and shows this app supports 0 device as below

What am i doing wrong? do i have to follow any further steps before i upload the app.apk file? right now i am just building the app and take the app.apk file from buid directory.
Please suggest.
Actually i sorted this issue. I need to activate the
app.apkfile, only then itshows the number of device supported.
Posting answer as someone might find it useful.