Trash Can 2 is a handy memory-clearing utility. If you've ever noticed that your smartphone is acting a bit slower than usual, it might be due to a lot of unwanted apps and files. There are a lot of reasons why this could happen, but the most common one is the accumulation of cache data. This is the data that is used to speed up the operation of the device. When you have a lot of apps and files, it can cause your phone to slow down. The problem is that you can't really uninstall all of these and you end up having to delete some of them manually.