If you do not a file browser app installed on your phone, download one from the Google Play Store.
In case you have downloaded the file using phone browser, you can find the APK inside “Downloads” folder. You can do it by connecting your device to computer via USB Cable.
How to Transfer Music and Manage Video between iPhone, Android, iTune and PC/Mac Using WonderShare TunesGo
Adobe Flash Player for Android makes it possible to access rich web content on your phone the same way as you do on your desktop computer. You can enjoy videos, apps, flash games directly on our Android smartphones or tablets. you can bring the full web to your Android device. With Flash Player installed on your Android phone. It does not sound good at all that the largest and most popular operating system for mobile phones does not have the official version of Adobe Flash Player. The Adobe Flash Player app can no longer be downloaded from the Google Play Store.
It was a sad day for Android users when (in June 2012) Adobe decided to withdraw official support from one of the essential apps for enhanced web browsing experience.