If you want to know what is islam you can learn it from the original source(quran and sunnah) to know the fact of this religion.
the God of Abraham,Isaac and Jacob is Allah that's mentioned in the quran "Or were you witnesses when death approached Jacob, when he said to his sons, "What will you worship after me?" They said, "We will worship your God and the God of your fathers, Abraham and Ishmael and Isaac - one God. And we are Muslims [in submission] to Him."(2:133).
Jesus is a messenger of god,The church remained 300 years to invent this big falsehood(Trinitarianism) and here is the story that the church don t want you and all christians to know :
and as you see islam is the fastest grown religion there is a lot of jews and christians become a muslim,in contrast muslims don't change their religion.
Finally brother i advise you to view this video to the end and know that i want you happiness.
May god guide all of us and if you want to chat with me i will be glad.