"Usefull app but a little bit to slow when i open PDF format"

"Usefull app and working too good"

"My boyfriend now has a usefull app"

"This is very usefull app to increase our brain skill"

"It really works a lot it is really a very usefull app"

"Very usefull app to track shipment"

"Simple and usefull apps"

"Very very usefull app well written with easy data entry"

"Easy to use and very usefull app to find exactly what you need"

"Its very usefull app"

"This is really usefull app for people of all walks of life"

"Very usefull app not just for studying also for relaxing and sleeping"

"Must have app for all travellers Nice UI and very usefull app"

"Finally somebody made this usefull app"

"Overall a very usefull app"

"This is a very usefull app"

"Its a amazing and usefull apps for me"

"Samsunga galaxy s3 Very usefull app"

"Gr8 app usefull app for recording"

"Its really good and usefull app"

"Simply the best and usefull app i have ever downloaded from the store"

"Thanks to the devs for creating a very usefull app"

"Veey usefull app to travel using subway"

"Dev you have made great and very usefull app"