There are few alternative to use Windows Live Messenger on Nexus One (WLM in Android). Two Alternative below are the best ways that I recommended to your.

Use Meebo for Android
Use eBuddy for Android

Meebo and eBuddy are Multi IM Client that can connect to several Messenger Service at one such as Windows Live Messenger, FaceBook Chat, Yahoo Messenger, AIM, ICQ, and much more. That why you can use it to connect to Windows Live Messenger from your Nexus One (Android 2.1 OS)
How to install Windows Live Messenger Client in Nexus …

If you like to uninstall Windows Live Messenger from your computer without getting a “headache” you can use a small software called as Windows Live Messenger Uninstaller.
If you got a trouble or problem when you run WLM (on the installation process for example) your can remove any broken Windows Live Messenger installation file and the start to install the newest WLM Installer. We knew that the installation are not listed in the Configuration Panel that make WLM “very” difficult to remove completely. That is why I called that to uninstall …

You have two options how you can use upside down writing text in your FaceBook Status Message, one using FaceBook Application that provides backward / upsidedown / flip text features and you can also use online upside down text generator.
Using Online Upside Down Text Generator
You can googling the websites that provide online generator for upside down text / flip text. If you don’t want to googling it, just use the website below:

http://www.en.fliptext.net/
http://www.sherv.net/flip.html
http://www.upsidedowntext.com/

Open the upside down text online generator on your web browser (Mozilla Firefox, internet explorer, chrome, opera, safari or …