1. Forecast Number of Mobile Devices Worldwide from 2020 to 2025 (in Billions)*
https://www.statista.com/statistics/245501/multiple-mobile-device-ownership-worldwide/
2. Mobile Operating System Market
https://gs.statcounter.com/os-market-share/mobile/worldwide/#monthly-200901-202203
3. Market Share of Mobile Operating Systems Worldwide 2012–2021
https://www.statista.com/statistics/272698/global-market-share-held-by-mobile-operating-systems-since-2009/
4. Kali Linux
https://www.kali.org/
5. Get Kali Mobile|Kali Linux
https://www.kali.org/get-kali/#kali-mobile