What's a good Android app for blocking distracting apps and websites to improve focus?

Focus Friend by Hank Green is an app designed to combat distractions and help you concentrate on what's important. It works by temporarily blocking access to distracting apps and websites, preventing you from mindlessly switching over to social media or other time-wasters when you should be working or studying. The app allows you to set specific focus periods, and during these times, your chosen distractions are inaccessible. This creates a barrier that encourages you to stay on task. The app's design is intentionally engaging, fostering a sense of connection that motivates you to stick to your goals. By anthropomorphizing the app, it taps into the human tendency to bond, making you less likely to want to 'disappoint' it by breaking your focus. It’s a simple yet effective tool for anyone looking to improve their concentration and productivity.