One Touch One Line is an Android puzzle game developed by SPRINGMARU. The game is free to download and falls under the subcategory of puzzle games. The objective of the game is to draw a line connecting all the points without lifting your finger off the screen. The catch is that you can only use the line once in the beginning and then use it twice or three times later on. There are also jumping points that can move to another point, making the game even more challenging.

One Touch One Line offers various modes to choose from, including one-line-drawing, double point, and jumping point. The game is not as simple as it sounds and requires a lot of strategy and planning to successfully complete each level. With its unique gameplay and challenging levels, One Touch One Line is a great choice for puzzle game enthusiasts looking for a new and exciting challenge.