[Zubersoft]

If you can't install the latest Android update, that usually means you have the wrong email address in use on your tablet. You need to make sure that you have the email address you used to purchase MobileSheetsPro under Settings->Accounts->Google, and that same email address should be used to log in to Google Play. After doing that, you should then be able to update by viewing MobileSheetsPro on Google Play, and tapping "Update" on the store page. If you still can't update and the correct account is listed, consider trying the following:

1: Reboot your tablet
2: Go to your tablet Settings->Applications->Google Play and tap Clear Data. Do the same for Google Play Services.
3: Load Google Play and install MobileSheetsPro
4: If the installation still does not work, reboot your tablet and try again

Mike