Direct download from play store.

This is not really direct download (backup method).

With some simple method you keep downloaded apk from play store.

You can get paid application in different website.

But they don't upload free application.

So every time when you make a flash your device you have to download those application again

Here i uploaded a small app named apkoptic.

Download it from here(APKoptic).install this application.

Open the app.

Now tap any application you can see popup.(backup to sd)

go to filemanager(sdcard) you can see new folder (apkoptic)

Now you can see backuped application apk.