Yes is possible create a app in Nim for android and iOS the solution is
[here](https://github.com/iffy/wiish) and works :-) After install the wiish
package, sdk and ndk for android setup an app is easy:
$ wiish init testapp
$ nano -w
testapp/dist/android/project/org.wiish.webviewexample/local.properties
sdk.dir=/usr/local/android/sdk
ndk.dir=/usr/local/android/ndk
$ wiish build --android testapp
$ wiish run --android testapp
$ cd
androidtestapp/dist/android/project/org.wiish.webviewexample/app/build/outputs/apk/debug/
$ adb install app-debug.apk
Run