There IS NO MORE Flash Player for Android. NOT for nearly two years now. If you were to find an older version and were successful at installing it, it's version 11.3 which won't work on ANY site that's seen any maintenance at all since 2011.
Google doesn't want Android users viewing Flash content with devices that are not made for it. Phones and tablets are such devices. THAT'S why Android is no longer compatible with Flash Player.
If you absolutely must use your tablet or phone like a laptop, and view Flash content or play games online, they recommend: