You are downloading the DoLists XAP file v0.9.5.0 for Windows Phone. DoLists is a free and useful Productivity app: Simple and beautiful todo application. Especially great for Shopping ... You can now download the offline XAP file to install & try it.
Download Locations for DoLists 0.9.5.0 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline DoLists XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.