My suggestion is to try to install linux (point 1) (maybe with the help of a friend), because it's important to have the latest SDK version and the latest updates.
You can try to download and run the first Android Develop Studio Beta that ever appeared on the website (0.8.0), I don't think they ever supported 10.7.5, but you can try. Find it hard to run Android games on your Mac The primary hurdle that you. If you want to get any applications on your you need an android emulator This application has a feature of a built-in library which is the place for image. Check to see what version of JDK worked on 10.7.5, install it, then install one of the versions of eclipse from Indigo to Mars and then install the above mentioned plugin. In comparison to traditional Android emulators, KOPlayer uses cutting edge kernel technology on x86 architecture, which brings with it superb advantages in performance, stability, and compatibility.
Go with the previous Android Development solution : Eclipse IDE Indigo or higher + ADT bundle plugin. KOPlayer for Mac is a solid, free Android emulator that brings a quality Android playing experience to the Mac OS X platform. There you can install the latest version of Android Studio with no hassle. Here Comes The Nox Player 6 Get ready to play your favorite android games on your Windows PC and Mac on one of the most robust android emulators. You don't need to update your Mac OS 10.7.5, it will remain intact, but you will boot on linux to develop Android Apps. You install ubuntu (I recommend Linux Mint 17.2 'Rafaela' - Xfce RC (32-bit) as it's lighter on your CPU and RAM) and dual boot.
There are three options from what I see here :