If you are not able to sign in to your Google account, please try out the following steps for resolution -


a. Uninstall Teewe app


b. In Phone settings navigate to  Settings --> Accounts --> Google --> Menu --> Remove account 


Once you have remove the account, open play store and sign in with your Google account.


After sign in, install and launch the Teewe App.


Once you launch the app you will be asked to sign in to your Google account through Teewe app.