4 in a Line is an Android app developed by HarokoSoft.

4 in a Line first became available on 28 Dec 2012. It is estimated that 4 in a Line has been downloaded between 100000 and 500000 times from the Play Store.

4 in a Line 2.7 requires the following permissions:

Allows applications to access information about networks.

Allows applications to open network sockets.

Allows access to the vibrator.