If you'd like to see ConnectBot translated into your language and you're willing to help, then head on over to https://translations.launchpad.net/connectbot/trunk/+pots/fortune
To compile ConnectBot using gradlew, you must first specify where your Android SDK and NDK are via the local.properties file. Insert a line similar to the following with the full path to your SDK:
sdk.dir=/opt/android-sdk
ndk.dir=/opt/android-ndk