This is the design detail of the Customize the Booklist, feature 05 of Dreaming Elf. I participated in designing this feature and A/B testing in collaboration with PMs, UX designers, data scientists and engineers.

1. Brief

2. Context

There are 4 types of books available for donation. Previously, we had kept them in an automatic sequence for the users. However, based on the user research, some highly active and mid-active users mentioned they want to get more personalized features in playing this game about book donations, I collaborated with other PMs on brainstorming and decided to test with selecting books to donate

4. Flow

6. Final Delivery

A/B Test

Design Decision

Considering the A/B testing lasted only a week and the data might fluctuate, we decided to keep testing this function for a month, read the data, and make decisions afterwards.

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