Large parts of Android are written in Java and its APIs are designed to be called primarily from Java. That said, it is possible to develop C and C++ apps using the Android Native Development Kit (NDK), however it isn't something that Google promotes. According to Google, the NDK will not benefit most apps.

Business resilience is the ability to rapidly adapt and respond to business disruptions and to maintain continuous business operations, be a more trusted partner, and enable growth. True business resilience starts with understanding exactly what your business needs in order to survive unexpected events and plan ahead for challenges that could come

1) Adobe Flash (Flash/AIR), 2)Ruboto (Ruby), 3)Xamarin 2.0, 4)Basic4android, 5)Appcelerator Titanium, 6)ItelliJ IDEA (Altenrative IDE, Java).