There is no ally in Him in rububiyah (divinity), uluhiyah (worship), Asma` and His Properties.
Urgency Tauhid: A slave believes in and acknowledges that Allah SWT alone, Rabb (God) everything and his king. Surely He is the only Creator, the Supreme Master in the universe. Only He is the one who has the right to be worshiped, there is no associate with Him. And every one who is worshiped besides Him is a foe. Verily, He is in the nature of all perfection, Glory from all disgrace and deprivation. He SWT has beautiful names and high qualities.
There are also verses that indicate the obligation to follow the Prophet sallallahu'alaihi wa sallam and reject what is against the Shari'a. This is Tauhid Mutaba'ah. This division is known after digging verses and deepening the sunnah.
"And I did not create jinn and men except that they should serve Me. I did not desire aught of them, nor would I desire that they should feed Me." (QS. Adz-Dzariyat: 56-57)
"Surely your Lord is Allah, Who created the heavens and the earth in six Days, and He is firmly established on the Throne, He closes the night to the day that follows it, and the sun and the moon and the stars -masing) subject to His command, remember, creating and governing only the rights of Allah. Glory to Allah, Lord of the Worlds. " (QS Al-A'raf: 54)

 fiture:
-wipe offline / no internet connection
- small file size
-can be used in different versions of android