A brief biography of Muhammad Ali supports four (4) languages :

- English
- Arabic (العربية)
- German (Deutsch)
- Bahasa Indonesia

Muhammad Ali (born Cassius Marcellus Clay, Jr.; January 17, 1942 – June 3, 2016) was an American Olympic and professional boxer and activist. He is widely regarded as one of the most significant and celebrated sports figures of the 20th century. From early in his career, Ali was known as an inspiring, controversial and polarizing figure both inside and outside the ring.

The contents of the app include these following topics :

1 Early life and amateur career

2 Professional boxing
2.1 Early career
2.2 Heavyweight champion
2.3 Exile and comeback
2.4 Heavyweight champion (second tenure)
2.5 Later career

3 Personal life

3.1 Marriages and children
3.2 Religion and beliefs
3.2.1 Affiliation with the Nation of Islam
3.2.2 Later beliefs

4 Vietnam War and resistance to the draft
4.1 Impact of Ali's refusal to be drafted
4.2 NSA and FBI monitoring of Ali's communications

5 Later years
5.1 Health issues and death

6 Boxing style
6.1 "Talking trash"

7 Legacy
7.1 Ranking in boxing history
7.2 Poetry and music
7.3 In the media and popular culture

8 Professional boxing record