是一款能读PDF和djvu两种格式的阅读器，其特点是能够跳页、全屏阅读、能够一次两页连续缓冲、能自由进行页面的缩放、能记忆阅读位置、划屏翻页流畅。其缺点是当文件大时，渲染速度较慢，偶尔会退出。-A reader can read PDF and djvu format, its characteristics is the ability to jump page, full-screen reading, at once two consecutive buffer can freely zo