Target retail stores offer the ZTE Zinger Prepaid Android Smartphone for Brightspot for $9.99. (Link is provided for reference only.) That's $20 under the best pickup price we could find for the T-Mobile version of this phone. It features a 3.5" 320x480 touchscreen display, 1.2GHz dual-core processor, 512MB internal storage, 2-megapixel rear-facing camera, Bluetooth, 802.11n wireless, and Android 4.4 (KitKat).
Note that Brightspot is Target's prepaid cell phone service.