There are three categories under Self Practice, with Problem Sums being the default.
To access Map View, visit this link:
https://problemsums.koobits.com/Practice/SkillMap
All topics will be presented on the map, and you can click on any topic to get started.
You will then see a list of all the skills under that topic. Click on the Lesson button to watch a video tutorial, or the Practice button to start practising.
The exercises are adapted to each skill and the colour code shows you which level needs more practice.