Unicode Keyboard is a free keyboard for Android phones. This keyboard will allow you to type in many languages. This keyboard comes with a dictionary to quickly look up words or letters. The keyboard supports many languages, including the following: 

English Arabic, Afrikaans, Albanian, Amharic, Aragonese, Armenian, Azerbaijani, Basque, Belarusian, Bengali, Bosnian, Bulgarian, Catalan, Catalan, Cebuano, Chichewa, Chinese, Croatian, Czech, Danish, Dutch, Esperanto, Estonian, Filipino, Finnish, Frisian, French, Galician, Georgian, German, Greek, Gujarati, Haitian, Hungarian, Icelandic, Indonesian, Irish, Italian, Japanese, Korean, Lao, Latin, Lithuanian, Luxembourgish, Macedonian, Malay, Maltese, Maori, Marathi, Persian, Polish, Portuguese, Romanian, Russian, Samoan, Sardinian, Scottish, Sesotho, Slovak, Slovene, Spanish, Swedish, Tagalog, Tamil, Tagalog, Telugu, Thaana, Turkish, Ukrainian, and Vietnamese.

[How to Use]

 To use this keyboard, simply open it and start typing in a language you wish to use. You can type in the language you want by choosing the "set as active language" option.  If you're looking for the "set as passive language" option, there is no such option. You can change the keyboard style to either "Basic" or "Advanced."