Update the App
Follow the steps given below to update the App which won't open on your Android device:

  • Visit Google Play Store on your Android device.
  • Now select “My Apps & Games” from the main menu.
  • In this step, you may click on “Update All” to update all Apps for which an update is available or manually select the Apps which you wish to Update.

Once the App is updated, close all Apps and tabs running in the background. Now try to launch the App once again. If it opens, your problem is solved. If not, DO NOT worry as there are more ways to help you.

Force Stop the App
Closing the App completely, which won't open on your tablet, is a good idea. To make sure that there aren’t any operations running in the background related the App, you must “Force Stop” it. Doing this is extremely simple and all you need to do is follow the steps given below:

  • Visit “Settings” on your device.
  • Click on “Apps” to see a list of all the Apps on your Android phone.
  • Select the App which won't open.
  • Now click on “Force Stop” as shown below.

Clear App Cache and Data
This method resolves the issue to a great extent by wiping off unnecessary App content from your device. Carefully follow the step by step instructions given below to clear all App cache and data:

  • Visit “Settings” and select “Apps”.
  • From the list of Apps that appears, select the App that won't open.
  • Now tap on “Clear Cache” and “Clear data” directly or under “Storage”.