Yes, if you download Kiwi X from its official website, it is a completely secure and cost-free Roblox Executor. When you look up Kiwi X Exploits, you will find a long list of websites and YouTube videos that offer to let you download the file, but if you do, your computer will become infected with malware. Also there is another undetected executor that you might utilize - Nezur Executor.
No, you cannot currently utilize the Kiwi X executor on your mobile device. You can download executors like Delta Executor, Hydrogen, and others to run and execute Roblox scripts on a mobile device. You can even use it with the Roblox Aimbot simultaneously.
Yes, downloading Kiwi X is completely free. The only requirements for using this executor are to download, install, and obtain the key.