You can fill out forms and sign documents that you receive on your iPhone. After you complete a form, you can add your signature and share it with others.TIP: iPhone or iPad users can take pictures through the Notes App and easily email us your documents. Please include your full name and case number in the email. Download from the App Store the Ohio Mobile ID Check, which leverages Apple's APIs. Which devices can I use to accept mobile IDs? Read the instructions for completing and submitting High School and Middle School Physicals, below, before setting up your account. Licensed establishments can validate Mobile IDs with Mobile ID Acceptance on iPhone and the Ohio Mobile ID Check app or other compliant mobile ID readers. IRS2Go is the official mobile app of the IRS. How do I sign up for E-ZPass?