
Error code 491 is one of the most often encountered issues Android users facing on Google Play Store.
Usually the error takes place while one is downloading an application or a game from Google Play.
Below we indicated four solutions in the order in which one should try them if the previous one did not work.
To clear caches of both Google Play Store and Google Play Services follow the steps.
Go to Settings-> Application Manager- > Google Play Store (one has to repeat the same steps while clearing Google Play Services cache);
Tap “Clear cache and data”;


Push notifications are an essential part of mobile apps that if used properly can be a great channel for consumer interaction and engagement but there are also times when overenthusiastic businesses turn them into a source of annoyance for users.
The complex technologies and processes underlying those notifications?
GCM is a Google Play service used by a majority of applications for serving push notifications to Android devices.
For instance, if the users open the notification on one device, it would disappear from all of their devices.
The Android device sends a sender ID and application ID to GCS server
After registering the device, it issues a registration ID to the device

When comparing iOS vs Android app development, don’t rely on your personal preferences. Think about your business and the parameters that matter the most. Below, we’ve gathered data and compared different metrics for these two operating systems to help you make the right decision.

Player Unkown’s Battlegrounds or PUBG as it’s popularly known, has taken the world by storm.
That’s more than 220 million players each month!
I play every day on my Android phone, thanks to my trusty Frontier online deals.
If you don’t already have PUBG, this blog will show you how to install it and let the madness begin!
Ask the person to send you the PUBG.apk file via ShareIt or a similar sharing app.
Most PC gamers are very competitive at PUBG and take it very seriously.

With the rapid growth of mobile app economy reach of the app technology is in millions.
However generating revenue isn’t always by the good means some take the bad decisions to earn money.
According to latest mobile app technology news tech giant Google has removed many apps after a malware named ‘Judy’ infested the apps in Play Store.
The security firm Check point who found this malware have researched and found about this malware have managed to reach 4 million to 18.5 million of downloads on the Google Play Store.
According to the firm in their blog post, this malware is “auto-clicking adware” and the apps are also spotted by the firm which is created by a South Korean based firm.
This malware is used to target the infected devices and create false clicks on ads to generate revenue for the developers.

Google Gift Card Codes Generator
Google Play was originally released back in 2008 as Android Market.
While the original Android Market was strictly an app store for the Android operating that allowed users to browse and download applications developed with the Android software development kit and published through Google.
In this guide, we’ll show you how you can generate free Google Play gift cards.
Our Google Play gift card generator will help you to generate unlimited free Google Play codes without any human verification.
It does not even need a human verification to use.

As part of the Android Operative system, there is a restriction that blocks installing applications outside of the Google Play Store.
There is a way to allow the installation of third-party APK files without going through the Play store, though it will require some configuration on your part.
If you run an APK on your device without first enabling the feature, you will see the following on your screen.
As you can see, it says your phone is set to block apps from “unknown sources.” The “unknown sources” term means anything other than the official Play Store.
So, how do you go about overcoming this prompt and enabling the non-store apps to install on your device?
1 – Open the App on your Android device, and tap on the SETTINGS.