Top Android Libraries & Demo Apps

Market Insights

• •Hacker: Secret Codes & Ciphers (#2) dominated the top spot for 17 of the last 30 days, but its recent slip to second place suggests user interest might be shifting, possibly as people work through its puzzle library.
• •The strong performance of Expo Go (#1) and Cardboard (#5), which both gained a rank, indicates sustained developer and VR enthusiast activity, likely tied to ongoing project work and accessible tech demos.
• •A notable trend sees utility and modding apps like Robux Games Codes for Roblox and Mods&Skins for Melon making big jumps, which seems to be driven by communities seeking customization and in-game advantages.
• •New arrivals like Mirror Link Cast to Car and XB CONTROLLER filled immediate, practical needs—connecting phones to cars or gamepads—a pattern where single-function tools can quickly find an audience.