What's a good Android app to read Kodansha manga legally with free chapters?

K MANGA is the official digital manga service from the Japanese publisher Kodansha, designed specifically for accessing its extensive catalog legally on Android devices. The app operates on a hybrid model that avoids mandatory subscriptions. Its primary mechanism is a daily login reward system that grants users free 'tickets' which can be redeemed to read chapters from a large selection of series. For chapters not covered by tickets, or when tickets are depleted, users can earn points through various activities or choose to watch a short advertisement to unlock immediate reading access. This structure makes it practical for casual readers who want to follow several series without a recurring financial commitment. The library is vast and includes both classic and current titles, with new chapters often added concurrently with Japanese releases. However, the model requires some planning, as tickets cap at a certain number and recharge slowly. A notable restriction, often mentioned in user feedback, is the inability to take screenshots within the app, a common digital rights management feature. The reading interface itself is generally praised for its clarity and smooth vertical scrolling. For readers seeking a legitimate, cost-controlled way to explore Kodansha's titles, K MANGA presents a structured and reliable option, though the pace of free reading is intentionally moderated.