i have already created a creatives successfully, but i donot know how to select an app to promote.
Please see the Mobile App Promotion documentation but this is achieved 100% through making card and using that card in tweet with the appropriate line item objective
You can specify line_item_app to make sure the link is there but it only affects Ads UI or some Twitter Audience Platform / MoPub scenarios https://dev.twitter.com/ads/reference/post/accounts/account_id/line_item_apps
I have created Image_App_Download successfully,
if i click “Edit Campaign” via Ads UI, it shows:
do you mean “https://dev.twitter.com/ads/overview/mobile-app-promotion” about “Mobile App Promotion”.