what is beta version of an app on android mean

what is beta version of an app on android mean Product Description：

what is beta version of an app on android mean & what is beta version of an app on android mean é um caça-níqueis de vídeo feito pela Play'n GO.  .

Product parameters：283697

Available Colors：#348560

Available Sizes：541 * 181 * 535

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Model Reference：what is beta version of an app on android mean

country of origin：USA

Customer Reviews：what is beta version of an app on android mean é um caça-níqueis de vídeo feito pela Play'n GO. .