Site: WalmartAdds chosen items then go to cart and not there, terrible lagging, wont let search. Add new comment Comments Walmart app wont add groceries. I thought it was my phone but I added the app to 2 other devices and it doesn't work on any of them. reply Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted y9tWs3 Enter the code above * Enter the code without spaces.