1. The document provides tips for testing mobile applications and websites without a prototype, including testing similar sites, increasing sample sizes by 40-50%, and capturing user sessions with a mobile testing sled even if no one will watch the recordings. 2. It recommends testing each supported device separately and discusses challenges with testing wireframes on phones like screensaver timeouts and touch inputs hiding the content. 3. Various methods for recording mobile device screens are presented, from attaching cameras directly to devices to using post-its to keep screens in view, and notes are emphasized as important backups if technology fails.