To bridge the gap between your SQ8 and your smartphone, you need a dedicated viewer app. Most users recommend the SQ Mini DV Camera App available on Google Play.
Debug a sequence (e.g., flashing red and blue).
Your phone should recognize the camera as a "Removable Disk" or "USB Drive." Use a file manager app to view the video files and photos. Quick Operation Guide
Disclaimer: Modify your device at your own risk. This post is for educational purposes. Respect privacy laws when using miniature cameras.