Here's how you can download HP's Printer Control app for iOS devices.
Download from iTunes
1. Go to the iTunes preview page for HP Printer Control.
2. Click the View in iTunes button.
3. Click the Free button to download the app when iTunes loads.
4. Sync your iOS devices with iTunes to install the app.
Download from iOS Devices
1. Open the app store.
2. Search for "hp printer control" (without the quotes).
3. Tap the Install button.