Smartphones have become more and more widely available to the world. Both of the mobile application usage rate and application download rate have been and projected to increase. Many reports also show that the mobile usage has surpassed that of the desktop usage since 2014. Thus, when it comes to starting up a business, we think about mobile first as the vehicle to make our dreams happen. The objective of the business plan is to analyze the feasibility of creating a user-friendly mobile application- “The Smarter Greendrobe,” which aims at becoming the mobile user’s best personal advisor to organize wardrobe, to suggest the outfit of the day based on current weather, to sell unwanted clothes through the second hand platform, to access other major online shopping websites. More importantly, “The Smarter Greendrobe” endeavors to make an effort to the environment by educating users to identify eco-friendly brands, textiles, and materials. The business plan outlines the marketing strategy, SWOT analysis, and financial plans to evaluate the feasibility and profitability of the business.