You need a rooted device to be able to use this app. If you are not aware whether or not your phone has root access, you probably don't have root access. If you don't know what root is then please do not download this app. You have multiple phone numbers? Do you have two accounts on different devices?
FastappStudio is the creator of this application that is listed among the Communication category. The app was downloaded and set up by over 1M users and its latest stable release was on Oct 13, 2016. According to the latest info, 2 Lines for Whazzap ★root is rated 4 on Google Play.
Keep in mind the important moment: advertisements are a part of this application and it provides in-app purchases. Samsung and LG users install the app quite often. A free .apk file of 2 Lines for Whazzap ★root 2.5 is available from Droid Informer and you can read users' reviews on this site. Prepare 3 MB of free space on your device for this app setup package and take into account that it runs on Android 4.0.3 and higher.
According to the antivirus report, the app is safe and secure.
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