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Why can't play it Android game file ?

🧡 Could you tell us more about that? Android Ver. Phone Model. Screenshot. and etc.

My phone is Galaxy A9(2018) and I download it of time but can't open it game file

"can't open" If you mean zip file. you can download unzip app on app store.

Use 7Zipper or ES Data/File Explorer or ZArchiver. All of those should definetly work.