(request) please developers see it once.

my name is utsav...and i m doing ca. and currently i m doing articleship...and i found problem of all the professionals...that they all carry BULKY BOOKS with them....for reference purposes..since we cannot remind all the things at all point of time....I USE MY PHONE FOR REFERENCING TO VARIOUS LAWS OR OTHER SUBJECT BUT I FOUND IT VERY DIFFICULT TO FIND THE EXACT SECTION OR TOPIC FROM NUMBER OF DOCS(GENERALLY PDF), COULD PLEASE ANY ONE CAN HELP US BY MAKING AN APP THROUGH WHICH WE CAN SEARCH FROM TEXT OF ALL THE PDF FILES STORED AND REACH TO THE REQUIRED TOPIC...plzzz developers as i m not a developer....I CAN ONLY REQUEST...AND U GUYS CAN ALSO EARN BY MAKING IT A PAID APP..PLEASE HEARTIEST REQUEST....AS I M FACING THIS PROBLEM...PROBABLY AFTER THIS APP I WOULD CARRY EVERYTHING THAT REQD. IN MY PHONE.