Album "ReBoot" was released on August 3, 2015
Tracklist
No. | Title | Length
1. "Baby Don't Play" 3:31
2. "Candle" (feat. Paloalto) 3:44
3. "I Feel You" 3:23
4. "Rewind" 3:34
5. "Loved" 3:39
6. "John Doe" 3:12
7. "One Black Night" 3:46
8. "Back" 3:28
9. "오빠" (OPPA) 3:33
10. "사랑이 떠나려 할 때" (Faded Love) 3:41
11. "없어" (GONE) 3:53
12. "이 순간" (Remember) 3:46
Total length: 43:06 minutes
On Aug. 14, 2015 22:00 CET we have given rating. Here the result:
"Reboot" album by Wonder Girls (2015) = 1.63
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Revaluation of the album on August 29, 2015 21:05 CET - 22:19 CET
With a voting result of 5:2 by panel members we gave new rating:
result: 19.5 / 12 = 1.625
for outbalance 6 track / 12 track album we used "harmonic root" of 1.487
SQR (1.625 x 1487) = 1.5544 = 1.55
"Reboot" album by Wonder Girls (2015) = 1.55
This is new No.1 of k-pop girl group albums 2015 Congratulation!

THIS IS OUR CURRENT OVERVIEW OF K-POP ALBUMS 2015
(all results represent personal taste by the author and panel members)
Updated September 14, 2015 [NEW]
Girl Groups
"First Love" album by CLC (2015) = 1.90
“Love Emotion” album by BESTie (2015) = 1.80
"I'm Ill" album by Hello Venus (2015) = 1.77
“Ah Yeah” album by EXID (2015) = 1.73
"Colors" album by Miss-A (2015) / “Crazy” album by 4Minute (2015) / "In Love" album by KARA (2015) / "Once Upon Time" album by Unicorn (2015) = all 1.71
“Joker Is Alive” album by Dal Shabet (2015) /"Shake It" album by Sistar (2015) = both 1.70
"Drama" album by Nine Muses (2015) = 1.67
"Pink Luv" album by A-pink (2014) / "Repackage Hi Album" by Lovelyz (2015) = both 1.65
"Pink Funky" album by MAMAMOO (2015) = 1.64
"Lion Heart" album by Girls Generation (SNSD) (2015) = 1.63
"Hot Baby" album by BESTie (2014) = 1.61
"Innocent" album by Rainbow (2015) / "Black Label" album by Fiestar (2015) = both 1.58
"Cushion" album by SONAMOO (2015) = 1.56
"Reboot" album by Wonder Girls (2015) = 1.55 [NEW RATING 150831] [Leading Girl Group rating 2015]
Boy Groups
"Just Right" album by GOT7 (2015) [Added New 150801] = 1.83 -
"17 Carat" album by Seventeen (2015) = both 1.80
"The Mood Of Love" album by BTS (2015) = both 1.70
"Reality" album by Infinite (2015) [Added New 150801] / "Ordinary" album by BEAST (2015) [Added New 150826] = both 1.67 -
"Devil" album by Super Junior (2015) = 1.53 - [Added New 150801]
"Odd" album by SHINee (2015) = 1.51 [Added New 150827]
"Exodus" album by EXO (2015) = 1.49 (KOR) | 1.29 (CHN) *) - [Leading boy group rating 2015]
Solo Artists
"Kiss My Lips" album by BoA (2015) = 1.68
"Eighteen" album by Shannon Williams (2015) = 1.57 - [Leading solo artist rating 2015]
K-Pop Albums on International Album Charts and Awardings:
"Lion Heart" by Girls Generation (SNSD) (2015) = 1.63 [Billboard U.S. - No.1 on World Album Chart]
"Reboot" by Wonder Girls (2015) = 1.55 [Billboard U.S. - No.2 on World Album Chart]
"Odd" by SHINee (2015) = 1.51 [Billboard U.S. - No.1 on World Album Chart]
"Exodus" by EXO (2015) = 1.49 [Billboard U.S. - No.1 on World Album Chart / Four consecutive weeks No.1 on GAON Album Chart]
"Holler" by Taetiseo (2014) = 1.53 [Billboard U.S. - No.1 on World Album Chart]
"Crush" by 2NE1 (2014) = 1.48 [Billboard U.S. - "Album of the Year 2014" / No.1 on Gaon chart]
"Hush" by Miss-A (2013) = 1.45 [3rd European K-pop / J-pop Music Awards 2015 - "Album of the Year 2014" girl groups]
"Full Bloom" by KARA (2013) = 1.35 - [2nd European K-Pop / J-Pop Music Awards 2014 (February 2) - "Album of the Year 2013"]
"GIRLS' GENERATION II Girls & Peace" (JPN) by SNSD (2012) = 1.25 *) [without bonus points = 1.45] - Reference Album!
Greetings from Germany
chairman of "K-pop panel Europe" [September 14, 2015]
[10 member from UK, F, ESP, SWE, GER, ITA, CZE, HUN, RUS and ISR]
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*) Notes: Bonus points for albums in Japanese/Chinese language = 0.20, for English language = 0.10
Overview Album ratings / Level: A1, A2, A3:
2.00 - 1.75 = A1
1.75 - 1.50 = A1/A2
1.50 - 1.25 = A2
1.25 - 1.00 = A2/A3
(overlapping +/- 0.05 points in each category)
A1 = continental star (Asia)
A2 = global star
A3 = international world star
source: k-pop panel Europe