Clipper is a very handy little clipboard manager utility that stores the text that you copy using the system copy/paste function. I've been a Clips user on the Mac for a couple of years, and have tried a number of clipboard managers on Android before finally settling on Clipper.
It works just as you might expect that it would. You start the app up to begin monitoring, and then the app does the rest. Every time you copy text, Clipper saves it as a snippet in your list. You can enable the app to run at startup, and you can also select the option to have a notification icon always visible so that you can access your snippets quickly.
In the free version, Clipper limits you to only saving the last 20 clippings, but you can move a clip to a custom list to prevent it from being deleted when you reach your 20 clip limit. I created three custom lists in the free version before I bought the paid app, so I'm not certain if there is a limit to the number of lists that you can create. Given the 20 clip limit, I'm not sure that the number of lists that you can create really matters much.
The paid version, Clipper Plus offers unlimited lists and clips, and it also allows unlimited numbers of clips in each list. Adding in search was the real key feature for me. I'm not only storing quick snippets like URLs and phone numbers, I'm also using the app to store selective bits and pieces of documents for later use.
I still use apps like Springpad and Pocket for notes and links, but adding notes to Springpad from Clipper when I'm busy is much more convenient for me. I don't even see it as a replacement for simple note taking apps like Catch. Clipper grabs everything that I copy, and then I decide whether it belongs in Clipper, Catch or Springpad.
One thing to keep in mind when using Clipper and the app is active, it's copying EVERYTHING that you do. If you are using a password manager like mSecure to securely store your passwords, every time that you hit the option to copy a password, Clipper is capturing that text.
There isn't a risk that the app is transferring your text to a home base somewhere as the app doesn't ask for network permissions, but anyone that would pick up your phone and open Clipper would have access to that stored password information.
Clipper was created by Finnish developer Rojekti, and it comes in both free/ad free and paid versions. Both versions of the app are under 1.5MB in size and use few resources when left running in the background.
Both versions of the app worked very well for me using ICS 4.0.4 on my Galaxy Nexus and ICS 4.0.3 on my Acer A200 tablet. There is a tablet interface of sorts for the app, but it is more of a stretched view of the clips window with a small sidebar for lists than it is a specific tablet layout.