First go to App Designer ^
And > go to application
Then the will ask you to allow them click allow...
Select an app type here
then you follow this step until the last picture
when you done doing all the thing you save > next...
then they will ask you to put
api key and
Secret key....
to find that secret key you go Here
then you insert your api key and your secret key...
Then your app is finished....
try to upload a picture to that game....
If you have something to ask...
please comment...