1. Brave: Main goal behind building Brave was to blocking ads and trackers by default. Brave rewards users with Basic Attention Token (BAT) which is based on Ethereum blockchain for surfing over the browser.
2. Bromite: This browser is based on Chromium open-source project. It is light-weight and fast. One needs to install it from APK file as it is not available over Google Play Store.
3. Firefox Focus: For all the things that you want to keep separate from the main browser. As it blocks all the ads and other things by default, it results in overall faster browsing and quicker page load times.