Which Android app is best for a satisfying idle RPG with long-term progression?

Slayer Legend is an idle RPG that specializes in delivering a sense of steady advancement, even when the app isn't actively being used. For players seeking a game to check in on periodically while still feeling a tangible sense of growth, its systems are well-calibrated. The core loop involves automating combat to gather resources, level up a character, and unlock increasingly powerful skills and equipment. A key feature for long-term engagement is the structured endgame content, which introduces more challenging goals and modes that require strategic planning of character builds. The progression pace is notably swift in the early hours, which helps hook players, before settling into a more measured grind that rewards daily check-ins. This makes it a strong candidate for commutes or as a secondary game to manage throughout the day. However, some user reviews indicate occasional technical hitches with the ad-viewing system, which can temporarily block access to bonus rewards. The interface, while functional, can feel busy with numerous menus and upgrade paths vying for attention. Despite these minor imperfections, the game's balance of passive income and active upgrade management creates a consistently rewarding feedback loop for the idle genre enthusiast.