Screenshot: Fire OS The Amazon Fire tablets are hardly the most overpowered gadgets, and to help prevent lag, you can tell the Fire tablet to limit the number of apps that can be running at once.

While doing this could make your tablet experience better, it also makes your device vulnerable to malware during and after the installation process.

Here's how to rock your Kindle Fire with a new look, better apps, and awesome content--none of which will cost you a dime.

Amazon uses their own app store, but Fire tablets are Android at their core, and can just as easily work with the Play Store.

But there are ways — simple, as well as technical — that can help you get over some of the core Fire OS limitations and make the tablet feel more like a stock Android slate.