Sahih Bukhari is the Most Popular Islamic Hadith Book and the authentic book for Muslims and if we want to learn about Islam then after Holy Quran Hadith Book is the authentic source which we give direction to the right path and the Sahih bukhari book is the best Hadith books and authentic book and has Large numbers of Hadiths.
Top Android Launched Sahih Bukhari English Version for the Android Users and the best thing of this apps, it's free of cost and with full version. Mostly Sahih Bukhari apps on the market are free with limited data access or demo version, but this App has no limitation regarding Data, it has 9 Volumes, 93 Chapters and all Hadiths are accessible in this free version.
Sahih Bukhari Book
Narrated Ibn `Umar: Allah's Apostle said: Islam is based on (the following) five (principles): -1. To testify that there is no deity (owing the right to be worshipped) but Allah and that Muhammad is Allah's Messenger. -2. To offer the (compulsory congregational) prayers dutifully and perfectly. -3. To pay Zakat (i.e. obligatory charity) . -4. To perform Hajj. (i.e. Pilgrimage to Mecca) -5. To observe fast during the month of Ramadan.
Narrated `Umar bin Al-Khattab: I heard Allah's Apostle saying, "Deeds (their correctness and rewards) depend upon intentions, and every person gets but what he has intended. So whoever emigrated for worldly benefits, or for a woman to marry, his emigration is for what he emigrated for."