Loto PC Oscilloscope + Android Compatible OSCA02M, 2-Channel, 35MHz Bandwidth, 100M S/s Sampling | USB Oscilloscope for Windows and Android| 8~13 bit Vertical Resolution: Amazon.com: Industrial & Scientific
TWF100 bluetooth Oscilloscope Android 4.0 With 2CH USB Digital Mini Oscilloscope Support For PC /Mobile phone / PAD TWF100 | Phone, Usb, Android 4
Loto USB Oscilloscope OSC482M for Both Android Phone/Tablet & Windows PC, 2 Channels, 50M S/s, 20MHz (Bandwidth), 8~13 bit Vertical Resolution: Amazon.com: Industrial & Scientific
USB Accessory Oscilloscope:Amazon.com:Appstore for Android