I amended my return ; how do I find the information for this amended return?

Please see How do I print my amended return if I've closed out of it? for assistance with accessing and printing your amended return. 

Amended returns can only be mailed.  It can take them 16 weeks for the IRS to process them.  And they only mail checks for refunds.   After 3 weeks you can track it here,    

https://www.irs.gov/filing/individuals/amended-returns-form-1040-x-/wheres-my-amended-return-1