XiaoQiang crossword, is the first Chinese crossword puzzle in mainland China, which is developed from English crossword and introduced to the Chinese by Southern Weekly in the late 1990s. It has become one of the most popular columns in the newspaper and become the benchmark of Chinese crossword.

Southern Weekly media group is one of the most influential media organizations in China. It consist of one newspaper, two magazines, one website(www.infzm.com) and a distrbution company.

XiaoQiang TianZi(小强填字) for iPhone, brought to you by infzm.com, is based on its web version and redesigned for the iPhone users.

The free version of the game have a limit of crossword numbers(3 games only).Times of using the clues and error correcting are also limited(3 times for each game).

The Pro version have limitless game numbers and functions.

小强填字是国内第一款中文填字游戏，以英文报刊的纵横字谜（Crossword）为蓝本。自1999年在《南方周末》专栏版正式推出以来，风靡一时，很快成为《南方周末》最受欢迎的固定栏目之一，并引发至今不衰的填字风潮。

小强填字iPhone版是广东南方周末信息传播有限公司在小强填字网页版（cross.infzm.com）基础上开发的智能手机版本，每日更新，原汁原味，一天一套题，脑力保健操。

小强填字同时推出免费版及专业版，免费版可以在题库保存3套题目，每次游戏，可以使用3次提示和3次查错的机会，专业版则可以保存所有题目，并拥有不限次数的提示和查错机会。