You can obtain glowing-frame score by creating more towers (greater than 10), making gem chains and throwing bombs. This will give you amulets and increases your chances of getting the desired score. There are many ways to increase your score.
When you want to surpass some level, use these tricks to get past.
Play previous levels
Redistribute the skill points you obtained
Do not try hidden levels even if you have unlocked them. Wait till you have the Pure-gem Mastery Skill. You will get tips to create gem chains on the site. Always keep one or two gems high grade. Try this free online game, which involves strategy.