[mitul_45]

No, as of now there is no demo credentials. This is how the adding expense would look like: http://i.imgur.com/tg6UzFe.gifv. And it will be added to this sheet: https://docs.google.com/spreadsheets/d/1NfF1A0UC6qLuOE7eiTsA....

"Tacking Numbers" is the name I came up with when I was trying to setup Sheets API with Google API Console. I am not able to change it now.