Google Ads App Gets New Features After 3 Months of No Updates An update to the Google Ads mobile app helps keep advertisers more informed with custom notifications. Bio 224 Advertisement More data about fluctuations in campaign performance. Here’s an overview of each of these updates. Custom Notifications Advertisers can now use the Google Ads mobile app to set custom notifications about things that are important to them. For example, if an advertiser wants to stay on top of conversion volume during a seasonal sale, the app can be programmed to send a notification when conversion volume increases by a certain amount.