tPacketCapture does packet capturing without using any root permissions. tPacketCapture uses VpnService provided by Android OS. Captured data are saved as a PCAP file format in the external storage. If you want a more detailed analysis, please transfer the file to your PC and use the software handles PCAP format(such as Wireshark). ★ Differences between tPacketCapture and tPacketCapture Pro ★ Pro Version include an Application filtering feature. Application filtering is able to capture only a specific application communication.