4 in 1 app for iPhone and iPad 4.4 ( 4864 ratings ) Games Education Puzzle Trivia Developer: 灿标 朱 Free Current version: 1.3, last update: 9 months ago First release : 02 Jan 2020 App size: 4.43 Mb 包含了4个益智游戏。综合锻炼你的各种能力。