Alice is creating an app install ad for her client’s search campaign. She needs to ensure it works for both Android and iOS versions of their app. What does Alice need to do to ensure the app directs the user to the appropriate store based on the user's device?

Creating a separate ad group for each store (Android and iOS) is the correct approach because it allows Alice to target users based on their device type and direct them to the appropriate app store (Google Play Store for Android, Apple App Store for iOS). This ensures a seamless user experience, as the ad links directly to the correct download page for their device. Providing a survey question up-front adds an unnecessary step and friction for the user, likely reducing conversion rates. Linking to the company's website avoids the direct app install goal and requires additional navigation from the user. Linking to each store and letting the user choose is inefficient and can lead to user error or frustration, as users expect to be directed automatically.