Please make an app for the PC and Mac that will allow syncing with mobile devices.
Basically a cross platform travel packing solution. That allows you to work with a conventional mouse and keyboard on a screen much larger than a phone or tablet. It would also be nice to be able to multitask while creating and working with packing lists. For example, realize you need to purchase something then just pop over to a browser window and order what you need from Amazon. It is frustrating to use the smaller screens and have to try to set up your phone or tablet with a mouse and keyboard to quickly work within your app.
Please consider this.