Clinical ink is an easy-to-use app designed to make it easier to be a participant in a clinical trial. You can download and use it on your own Android smartphone. Depending on the clinical trial, Clinical ink may provide some or all of the following capabilities: · Assistance with addresses and/or directions for your upcoming visits · Reminders to take medications or perform tasks that are part of your clinical trial · Relevant videos or content to help you understand more about the trial you are part of, or to help you prepare for upcoming tasks or appointments · Questionnaires about how you are feeling or about performing trial tasks · Feedback about your performance on trial tasks If you have any trouble downloading or using this app, please contact the clinical trial site where you are a participant. Please note - to facilitate core clinical trial data collection while your device is online and offline, this app requires access to your device's file management system.