It's the default wallpaper of Smart Launcher.
Phone: Nexus 4
ROM: ParanoidAndroid 4+
Kernel: hells-Core
Recovery: MultiROM
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Tablet: Nexus 7
ROM: SlimKat 4+
Kernel: LeanKernel
Recovery: MultiROM
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Phone: Motorola Milestone A853 ROM: CyanogenMod 9.1.0d Recovery: Open Recovery MiniMod by -FuFu-