[Edit]
Looks like go mobile, still needs Mac/XCode to develop iOS apps and Android Studio to develop android apps.
I haven't found another mobile development tool, other than Adobe AIR SDK, which supports developing iOS apps on windows and supports developing Android apps without Android SDK.
[Edit] Looks like go mobile, still needs Mac/XCode to develop iOS apps and Android Studio to develop android apps. I haven't found another mobile development tool, other than Adobe AIR SDK, which supports developing iOS apps on windows and supports developing Android apps without Android SDK.