Thank you for using SkyPhone. Starting with the next update, Android 6.0 (Marshmallow) or higher will be required. As a result, devices running Android 5.x or earlier will no longer...
You can get information about SkyPhone - Free calls, including release, maintenance and so on.
SkyPhone - Free callsOfficial Blog
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SkyPhone is a simple, FREE voice call app with a high quality sound. If you have not used it yet, why don't you download it now and experience the sound?
