Text a Tip Act of 2010 - Authorizes the Attorney General to make grants to state or local police departments to implement an anonymous tip program using cell phone text messaging to assist police in preventing and solving crimes. Sets forth requirements for such program, including that: (1) state or local law police departments shall administer the program; (2) incoming text message shall be stripped of any identifying information and the text tip shall not be traceable by any means; (3) police departments shall train sufficient personnel to intercept and respond to text tips; (4) the program shall be made compatible with most mobile phone providers; and (5) police departments shall promote the participation of citizens, especially youth, in the program.