Yes, it is possible to use CapCut on Android 5.1.1 (Lollipop), but you cannot use the latest version from the Google Play Store. Modern versions of CapCut require Android 8.0 or higher .
Multi-layer, timeline-based editing for audio, text, and video overlays (PIP). capcut android 5.1.1
The current official version of CapCut available on the Google Play Store generally requires Android 5.0 or higher. However, while Android 5.1.1 meets the "minimum" requirement on paper, the app has evolved significantly. Yes, it is possible to use CapCut on Android 5