UC Photo Vault APK version 3.1 has 2 different variants
✩ 4.9 · v1.5.2.739
✩ 3.9 · v27.3.4
✩ 0.0 · v7.5
✩ 4.5 · v4.1.15
✩ 0.0 · v1.0.2
✩ 4.3 · v0435.0
✩ 0.0 · v16.5
✩ 4.5 · v14.5.30