Usage data allows advertisers to:
- A) Change bid adjustments based on mobile traffic
- B) Create remarketing lists based on how frequently or infrequently a customer is using their app
- C) Create a conversion tracking list and add it to their app
- D) Add the conversion tracking tag to their app
Explanation: To run a mobile remarketing campaign, you’ll need to set up a remarketing list. You can also incorporate usage data that lets you create remarketing lists based on how frequently a customer is using an app — and remarket based on this information.
Read more here: https://support.google.com/partners/answer/6209136?hl=en