Fast Task Killer – How to Install on Firestick to Close Unwanted Apps

Task Killer for Firestick & Android

The following guide will show you how to install and use Fast Task Killer on Firestick, Android TV Boxes, phones, and tablets.

This is a quick way to close apps running in the background and free up processing power and available RAM Memory.

Fast Task Killer is a great maintenance application that will allow you to “kill” all unwanted apps running in the background on your streaming device in seconds.

“Killing” these apps in the background will improve device performance and enhance your overall streaming experience!

Task Killer Summary

Having unwanted apps running in the background will oftentimes cause buffering, and eat up free memory.

In the guide below, we will provide you with step-by-step instructions to install the Task Killer APK on a Firestick/Fire TV Device.

However, these steps will also work on an Android device such as the NVIDIA SHIELD, generic Android TV Boxes, and mobile devices.

For these reasons and more, we have included Task Killer in our list of Best Firestick Apps.


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How To Install Fast Task Killer – Video Guide

In this example, I’m using an Amazon Fire TV Stick Lite but the same process will work on Android TV boxes, phones, and tablets as well.

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Install Fast Task Killer – Screenshot Tutorial

1. Install the Downloader app from your respective App Store (Amazon App Store or Google Play) and enable Unknown Sources within settings of your streaming device.

If you haven’t done this yet please refer to the following screenshot tutorial for step-by-step instructions.

Install Downloader & Enable Unknown Sources

2. Launch Downloader

launch downloader

3. If prompted, click Allow

click allow

4.  Click OK for developer notes

click ok

5. Click the search bar where you will be prompted to enter in a URL.

Put pointer in URL box and click OK button

6. Type the following URL exactly as it is listed here and click Go –

Task Killer installation URL

8. When prompted, click Install

Click Install for Fast Task Killer

9. Click Done

Click Done for Task Killer

10. This will take you back to Downloader. Click Delete

Delete Task Killer apk install file

11. Click Delete again

Click Delete Again

12. Optional – move shortcut to front of list so it shows on home screen.  I’m going to do this as I will be using this quite often.  Click 3 dots at end of menu to open your apps page.

Click 3 dots

13.  On my Firestick Lite, the shortcut artwork is missing due to developer not including proper Fire TV shortcut.  Nonetheless it still works.  Highlight shortcut and click select button on remote for a few seconds.

Move Task Killer app

14. Move application with arrows on remote to location in top bar where you want it displayed and then click the select button on remote to drop it into place.

Drop Task Killer app into location of choice

15. Go back to Home screen and click the shortcut for Fast Task Killer.

Launch Task Killer

16. You will see the following dialog display briefly which summarizes the processes that were killed and the memory released.

Fast Task Killer Summary displayed

Did you enjoy this Task Killer tutorial?

If yes, then be sure to check out our free guide for unleashing the true power of your Firestick or Fire TV.

Jailbreak Firestick Tutorial

This page includes affiliate links where TROYPOINT may receive a commission at no extra cost to you. Many times, you will receive a discount due to the special arrangements made for our visitors. I will never promote something that I personally don't use or recommend. Purchasing through my links directly supports TROYPOINT which keeps the content and tools coming. Thank you!


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1 thought on “Fast Task Killer – How to Install on Firestick to Close Unwanted Apps”

  1. I like this but did prefer the older version that let you choose which apps to close, this version does seem to close more apps but the screen doesn’t stay visible long enough to read which apps were closed

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