This document provides resources and ideas for using digital tools and mobile apps to develop learners' listening skills. It begins with a quote about the importance of listening to learn. It then introduces a variety of listening tools and apps that can be used for tasks like dictation, listening games, audio discussions and quizzes. Examples of apps mentioned include Vocaroo, Voicethread, Voxopop and ESL Video. The document provides discussion prompts for an online audio discussion and gives ideas for creating listening games and quizzes using tools like Scratch, Tiny Tap and YouTube. It concludes by recommending mobile listening apps like Voxer, ChatterPix and AudioPad.