I've built an app that worked well with Cordova: https://play.google.com/store/apps/details?id=org.audreyt.di... ( Source: https://github.com/g0v/moedict-app/ ; Context: http://g0v.asia/tw/#Q1.2 ).

A dictionary — being text-based, with very few animations, and no background soundtracks — avoided most of mobile-platform-specific issues.