Lulu is a free software also available for iPhone.
More about Lulu
Since we added this program to our catalog in 2013, it has achieved 7,043 downloads, and last week it was downloaded 11 times.
The current version of the program is 4.2 and was updated on 06/05/2015. It's available for users with the operating system Android 4.1 and more recent versions, and you can download it in English, Portuguese (Br), and Portuguese (Pt).
It's heavily used in countries like India, Kenya, and Netherlands.