All models in the GXV34x0 series run on Android 14. 

Yes. You can use supported marketplaces or install APK files directly. Apps must be compatible with the Android version running on the phone.

Yes, all models include dual-band Wi-Fi support across 2.4GHz and 5GHz frequencies. They are compatible with 802.11a/b/g/n/ac/ax standards, and the GXV3450 specifically lists dual-stream Wi-Fi 6 support. This allows wireless deployment in environments where Ethernet cabling is not preferred or possible.