APK4Fun collected total 3 versions for Music Box APK (earth.warhorse.xtetris). You could download one of the legacy or old version of it.
Music Box App Version History
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Music Box v3 APK (Latest Version APK)
► Updated: October 3, 2018
► What's New in Version 3:
fixed some bugs
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Happy Builder vt-?! APK (Old Version APK)
► Updated: July 15, 2017
► What's New in Version t-?!:
debug...
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Happy Time v3 APK (Old Version APK)
► Updated: October 4, 2016
► What's New in Version 3:
add Wi-Fi mode for battle