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.