O2Jam : The Beginning: [O2Jam] O2Day Event on the 2nd of every month

Every 2nd of the month is a special event day to celebrate O2Jam! ⏰ Event Date: March 2nd (KST) 🎁 This O2Day benefit: Double Gem rewards! 💎 🔹 Ver. 0.11 Update Details 🎹 Added the ability to set the odd-numbered cent…