Install this.
https://play.google.com/store/apps/details?id=org.hola&hl=en
Open it then switch the flag to Canada
Head to
flixstervideo.com/redeem/enter-code
Plop in the code
Sign In
Flixster will ask you to confirm you're Canadian.
And as long as your flixster and Vudu account are linked at https://www.myuv.com/redeem
A few minutes later Harry will be in Vudu (albeit in alpha order rather than numerical )