Each sura is displayed with its original verse (in arabic) and also with its translation and transliteration so as to facilitate learning for non-arabic speaking people.
The juz that is the most commonly memorized is «juz Amma» which is the thirtieth part and which starts from Sura 78 (An-Naba) to Sura 114 (An-Nas), that are most of the short suras of the Quran.
This application contains Juz Amma -جزء عمّ- (Last chapters of the Noble Quran).
Many reciters are available and it is also possible to repeat a range of Ayats in order to help memorization.
Juz Amma is named after the 1st word of the 1st sura (sura 78) in that juz.
A juz is one of 30 parts of roughly equal length into which the Qur'an is sometimes divided.