A free program for Android, by Glad Apps Technology.
Decorate your caller screen in a breeze with this multipurpose dialer app for Android. Here, you can choose from dozens of beautiful themes to help personalize the app according to your style.
As for the dialer feature, you can make and receive calls with the capacity to block unknown numbers with Google's API. It also utilizes consumer complaints data from the FCC to help block spam numbers from contacting your device.
If you want to keep a record of your calls, this dialer app also lets you record every call you get with no hassle. There's also a call grouping feature to help organize incoming calls.
