- Knots 3D  [Learn about and learn to tie over 30 types of knots]
- How to Tie a Scarf  [Learn to tie 7 scarf styles]
- How to Make Origami  [Learn to make 22 types of Origami]
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About Android Apps of the Day
Android has over 450,000 apps. With so many apps out there, app discovery (aka finding new and useful apps) is extremely difficult. With our Android Apps of the Day  initiative, dotTech aims to change that. Everyday we post three apps, allowing our readers to discover new apps, daily. Enjoy! [Subscribe to our Android section to never miss an article: RSS Feed  | E-mail ]
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Apps for July 2, 2012
Interested in knots? Want to learn how to tie some? Knots 3D is for you.
Knots 3D is an app that teaches users about over 30 types of knots (free version has 33 knots while paid version has 71 knots), such as what the knot is used for, other names it is known by, its classification, tips when tying, and strength/reliability info. In addition to all that information, Knots 3D shows a 3D model of the knot in question plus a video that shows the knot being tied. Unfortunately Knots 3D doesn’t provide step-by-step directions on how to tie each knot but the 3D videos do a fairly good job at showing how knots are tied.
If you decide to purchase the paid version of Knots 3D, in addition to the increased number of knots, you get slow-motion drawing control, full screen mode, and the ability to bookmark your favorite knots for easy access.
Price: Free, $1.99
Version discovered: v1.0.0
Requires: Android 2.2 and up
Download size: 16 MB
Knots 3D – Free Knots Edition on Play Store  | Knots 3D on Play Store 
How to Tie a Scarf
We taught you how to tie ties with How to Tie a Tie; now lets do the same for scarfs with How to Tie a Scarf.
How to Tie a Scarf provides images that show, step-by-step, how to tie scarfs. You can view the directions in ‘Normal’ mode which shows images as if you are looking at a person wearing the scarf or in ‘Mirror’ mode which shows images as if you are wearing a scarf and looking in a mirror.
In total How to Tie a Scarf provides directions for seven different scarf styles: Casual, Ascot, Bandit, Western, Cowboy, Fake Knot, and Twice Around Ascot.
Version discovered: v1.1
Requires: Android 1.6 and up
Download size: 5.1 MB
How to Tie a Scarf on Play Store 
How to Make Origami
Today we have featured apps on knots and scarfs; now lets talk about Origami.
How To Make Origami is an app that provides step-by-step directions (text directions along with 3D animations) on how to make Origami. In total, How to Make Origami provides directions for 22 objects: Christmas tree, House, Star, Snowflake, Duck, Fox, Piglet, Table, Butterfly, Jumping Frog, Box, Boat, Samurai helmet, Heart, Lily, Tulip, Goldfish, Flower, Crane, Rabbit, Pigeon, Giraffe, Penguin, and Stingray.
Version discovered: v1.0.6
Requires: Android 1.6 and up
Download size: 28 MB
How to Make Origami on Play Store 
dotTechies: We have tested all the apps listed above. However, Android Apps of the Day articles are not intended as “reviews” but rather as “heads-up” to help you discover new apps. Always use your best judgement when downloading apps, such as trying trial/free versions before purchasing paid apps, if applicable.