The chess.com App 
It would depend on what exactly you want such an app to do.
Best chess app for android.
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Chess PGN Master includes a huge opening tree database, names the openings, let's you analyze with the top engines, edit and try different moves on the fly, you can play any position against the engine on the fly, recently added a 500,000 game database of recent high quality master games. Also, loads SCID games, which SCID is free, and let's you download the weekly TWIC tournament game files of the previous week. Chess PGN Master costs a few bucks but is well worth it. There's other really good apps, like PCD, perfect chess database, and PCT, perfect chess trainer, with many great database features, also costs a few bucks, but well worth it. Be sure to get SCID, if nothing else, it's free, compatible with various engines, can download TWIC, has a great search feature which lets you search the database for a range of openings, ie D40 to D49. SCID is a must have.
I also heard about shreader mobile .how is it?
ishan_varade wrote:
Shredder is the best app for playing against the computer. It gives you an ongoing ELO rating, and there is an option to have the computer automatically adjust it's playing strength based on your ongoing performance. You can save to pgn, and open your saved games in Chess PGN Master, if you want to analyze your games with Stockfish 6, for example.
The other apps are best for analyzing and studying, Shredder is the best for playing against.
I also heard about shreader mobile .how is it?
GalaxKing wrote:
ishan_varade wrote:
I also heard about shreader mobile .how is it?
Shredder is the best app for playing against the computer. It gives you an ongoing ELO rating, and there is an option to have the computer automatically adjust it's playing strength based on your ongoing performance. You can save to pgn, and open your saved games in Chess PGN Master, if you want to analyze your games with Stockfish 6, for example. The other apps are best for analyzing and studying, Shredder is the best for playing against.
Ok, This is very helpful. Thank you.
Can I play against Stockfish 6 in Chess PGN Master app.
Yes, PGN Master also lets you play against Stockfish 6, as well as various other uci engines available in the Google play store, just search chess engines. Also, PGN Master is compatible with Komodo 9, if you were to purchase it. Let me restate that PGN Master (be sure to get the pro version, it's only a few dollars), also includes an excellent opening book tree similar to ECO, and accurately names all the openings.
GalaxKing wrote:
Unfortunately, it is trial version, then you pay for it.
Chess PGN Master includes a huge opening tree database, names the openings, let's you analyze with the top engines, edit and try different moves on the fly, you can play any position against the engine on the fly, recently added a 500,000 game database of recent high quality master games. Also, loads SCID games, which SCID is free, and let's you download the weekly TWIC tournament game files of the previous week. Chess PGN Master costs a few bucks but is well worth it. There's other really good apps, like PCD, perfect chess database, and PCT, perfect chess trainer, with many great database features, also costs a few bucks, but well worth it. Be sure to get SCID, if nothing else, it's free, compatible with various engines, can download TWIC, has a great search feature which lets you search the database for a range of openings, ie D40 to D49. SCID is a must have.
can anyone help me to open opening tree in android ?
There is an app on play store called Chess Free. You can play it offline game in single player or two player mode. It’s a quite light app with different levels which range from novice to expert. The online mode uses FICS - largest server for chess players to play against each other over the Internet.
Which is the best chess app for Android 📱 phone.