qshlab

Riichi mahjong “what to discard” practice, with a daily puzzle and explanations.立直麻将何切练习：随机题、每日一题，答错时讲清为什么。

A calm, capable e-book reader: tidy shelf, AI read-aloud, vertical text, whole-book translation.安静好用的电子书阅读器：整洁书架、AI 朗读、竖排、整本翻译。

Record meetings and lectures by project: on-phone transcription, speakers, and summaries with your own Claude key.按项目整理会议与课堂录音：手机上转写、区分发言人，用你自己的 Claude 密钥写纪要。