Please refer to
this example in the Python
client library to set bid adjustment for the criterion type
Platform (Desktop, Tablet, Mobile etc). Appropriate criterion IDs can be fetched from the CSV file available on
this page (or using the
ConstantDataService). Please note that for individual devices,
MobileDevice criterion can be used only as a
targeting criteria on display network campaigns (details
here) i.e. you cannot use MobileDevice as a biddable criterion. More information is available in our
Bidding Guide.