"When You access the Service by or through a mobile device, We may collect certain information automatically, including, but not limited to, the type of mobile device You use, Your mobile device's unique ID, the IP address of Your mobile device, Your mobile operating system, the type of mobile Internet browser You use, unique device identifiers and other diagnostic data."
For a phone cleaner/booster app, collecting unique device IDs, IP addresses, and open-ended 'other diagnostic data' goes beyond what's needed for core functionality. The 'not limited to' language leaves the door open for additional undisclosed data collection.